Journal Paper

1. "A discrete time/resource trade-off problem with a critical chain method under uncertainty: a hybrid meta-heuristic algorithm"
   Keyvan Kamandanipour, Reza Tavakkoli-moghaddam, Siamak Haji Yakhchali
   SOFT COMPUTING, Vol. 27, No 23, pp.17867-17885, 2023
2. "Dynamic revenue management in a passenger rail network under price and fleet management decisions"
   Keyvan Kamandanipour, Siamak Haji Yakhchali, Reza Tavakkoli-moghaddam
   ANNALS OF OPERATIONS RESEARCH, Vol. 1, No 1, 2023
3. "Net present value maximisation of integrated project scheduling and material procurement planning"
   Babak Tabrizi, Seyed Farid Ghaderi, Siamak Haji Yakhchali
   International Journal of Operational Research, Vol. 34, No 4, 2019
4. "Optimizing Fleet Composition and Routing Plan Scheduling for Offshore Supply Operations: Case Study of an Offshore Drilling Firm"
   Arsalan Alahashi, Siamak Haji Yakhchali
   Asian Journal of Shipping and Logistics, Vol. 3, No 1, 2018
5. "The Impact Made on Project Portfolio Optimisation by the Selection of Various Risk Measures"
   Vahid Reza Yousafi, Siamak Haji Yakhchali, Jonas Saparauskas, Sarmad Keyani
   ENGINEERING ECONOMICS, Vol. 29, No 2, pp.2029-5839, 2018
6. "A Novel Integrated Decision Making and Mathematical Programming Approach for Project Portfolio Selection: A Case Study"
   Zahra Jalili Bal, Siamak Haji Yakhchali
   International Journal of Humanities and Applied Sciences, Vol. 5, No 1, pp.55-58, 2016
7. "Project Selection by Using an Integrated Clustering and ANP method: a Case study"
   Azam Keshavarz Haddadha, Zahra Jalili Bal, Siamak Haji Yakhchali
   International Journal of Humanities and Applied Sciences, Vol. 5, No 1, pp.65-68, 2016
8. "Project Selection Based on Project Scheduling with Renewable Resource, Nonrenewable Resource and Budget Constraints"
   Mohammadreza Emami, Siamak Haji Yakhchali, Ali Namazian, Shabnam Kazemi Nimgaz
   international journal of humanities and management sciences, Vol. 4, No 4, pp.389-392, 2016
9. "Project Knowledge Management: A Survey"
   Fariba Shoeleh, Siamak Haji Yakhchali, Nima Yazadani
   international journal of humanities and management sciences, Vol. 4, No 4, pp.426-430, 2016
10. "PROPOSING A NEURAL NETWORK MODEL TO PREDICT TIME AND COST CLAIMS IN CONSTRUCTION PROJECTS"
    Vahid Reza Yousafi, Siamak Haji Yakhchali, Mostfa Khanzadi, Ehsan Mehrabanfar, Jonsa Saparauska
    JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT, Vol. 22, No 7, pp.967-978, 2016
11. "Proposing a neural network model to predict time and cost claims in construction projects"
    Vahid Reza Yousafi, Siamak Haji Yakhchali, Mostafa Khanzadeh, Ehsan MEHRABANFAR, Jonas SAPARAUSKAS
    JOURNAL OF CIVIL ENGINEERING AND MANAGEMENT, Vol. 22, No 7, pp.967-978, 2016
12. "Modeling and Solving Project Portfolio and Contractor Selection Problem Based on Project Scheduling under Uncertainty"
    Ali Namazian, Siamak Haji Yakhchali
    Procedia-Social and Behavioral Sciences, Vol. 22, No 6, pp.35-42, 2016
13. "Designing a Portfolio management maturity model (Elena)"
    Shima Nikkhoo, Katayoun Taghizadeh Azari, Siamak Haji Yakhchali
    Procedia-Social and Behavioral Sciences, Vol. 226, No 2016, pp.318-325, 2016
14. "Ranking of Financing Methods in Iran Construction Renovation Projects_ A Sensitivity Analysis Approach"
    Vahid Reza Yousafi, Aida Rahimi Golkhandan, Sarmad Kiani, Siamak Haji Yakhchali, Ehsan Mehrabanfar
    Mediterranean Journal of Social Sciences, Vol. 6, No 5, pp.303-309, 2015
15. "The relationship analysis of the project, program and portfolio success criteria by using DEMATEL method: A case study"
    Mohsen Hassani, Siamak Haji Yakhchali, Hamira Khaksar
    applied mathematics in engineering management and technology, Vol. 22, No 1, pp.20-36, 2015
16. "Identifying program critical success factors in construction industry"
    Sarmad Keyani, Vahidreza Yousefi, Siamak Haji Yakhchali, Aghil Mellatdust
    management Science LettersSSS, Vol. 4, No 4, 2014
17. "Proposing a new methodology for prioritising the investment strategies in the private sector of Iran"
    Abdolreza Yazdani-Chamzini, Shahram Shariati, Siamak Haji Yakhchali, Edmundas Kazimieras Zavadskas Kazimieras Zavadskas
    ECONOMIC RESEARCH-EKONOMSKA ISTRAZIVANJA, Vol. 27, No 1, pp.37-41, 2014
18. "A novel fuzzy inference system for predicting roof fall rate in underground coal mines"
    Mojtaba Razani , Abdolreza Yazdani Chamzini , Siamak Haji Yakhchali
    SAFETY SCIENCE, Vol. 55, pp.26-33, 2013
19. "Fuzzy logic for pipelines risk assessment"
    Ali Alidoosti, Ali Jamshidi, Siamak Haji Yakhchali, Mohammad hossein Basiri, Ramin Azizi, Abdolreza Yazdani chamzini
    management Science LettersSSS, Vol. 2, No 2012, pp.1707-1716, 2013
20. "Risk ranking of tunnel construction projects by using the ELECTRE technique under a fuzzy environment"
    Abdolreza Yazdani-Chamzini, Siamak Haji Yakhchali, Mahmood Mahmoodian
    International Journal of Management Science and Engineering Management, Vol. 8, No 1, pp.1-14, 2013
21. "Developing a fuzzy model based on subtractive clustering for road header performance prediction"
    Abdolreza Yazdani, Mojtaba Razani, Siamak Haji Yakhchali, Edmundas Kazimieras Zavadskas, Zenonas Turskis
    AUTOMATION IN CONSTRUCTION, Vol. 35, No 35, pp.111-120, 2013
22. "A new model to predict roadheader performance using rock mass properties"
    Abdolreza Yazdani-Chamzini, Siamak Haji Yakhchali
    Journal of Coal Science and Engineering, Vol. 19, No 1, pp.51-56, 2013
23. "Developing a new fuzzy inference system for pipeline risk assessment"
    Ali Jamshidi , Abdolreza Yazdani Chamzinib , Siamak Haji Yakhchali, Sohrab Khaleghid
    JOURNAL OF LOSS PREVENTION IN THE PROCESS INDUSTRIES, Vol. 26, No 1, pp.197-208, 2013
24. "Using an integrated MCDM model for mining method selection in presence of uncertainty"
    Abdolreza Yazdani-Chamzini, Siamak Haji Yakhchali, Edmundas Kazimieras Zavadskas
    ECONOMIC RESEARCH-EKONOMSKA ISTRAZIVANJA, Vol. 25, No 25, pp.869-904, 2012
25. "Developing a new model based on neuro - fuzzy system for predicting roof fall in coal mines"
    Mohammad Farid , Mehdi Mohamadi Hosseinabadi , Abdolreza Yazdani Chamzini , Siamak Haji Yakhchali, Mohammad Hossein Basiri
    NEURAL COMPUTING & APPLICATIONS, Vol. -, 2012
26. "Handling equipment Selection in open pit mines by using an integrated model based on group decision making"
    Abdolreza Yazdani Chamzini , Siamak Haji Yakhchali
    International Journal of Industrial Engineering Computations, Vol. 3, No 5, pp.907-924, 2012
27. "Forecasting gold price changes by using adaptive network fuzzy inference system"
    Abdolreza Yazdani Chamzini , Siamak Haji Yakhchali, Diana Volungevičienė , Edmundas Kazimieras Zavadskas
    Journal of Business Economics and Management, Vol. 5, No 13, pp.994-1010, 2012
28. "Tunnel Boring Machine ( TBM ) selection using fuzzy multicriteria decision making methods"
    Abdolreza Yazdani Chamzini , Siamak Haji Yakhchali
    TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY, Vol. 30, pp.194-204, 2012
29. "Tunnel Boring Machine (TBM) selection using fuzzy multicriteria decision making methods"
    Abdolreza Yazdani-Chamzini, Siamak Haji Yakhchali
    TUNNELLING AND UNDERGROUND SPACE TECHNOLOGY, Vol. 38, No 38, pp.583-584, 2012
30. "PROJECT PORTFOLIO SELECTION USING FUZZY AHP AND VIKOR TECHNIQUES"
    Mohammad Majid Fouladgar , Abdolreza Yazdani Chamzini , Edmundas Kazimieras Zavadskas , Siamak Haji Yakhchali, Mohammad Hossein Ghasempourabadi
    Transformations in Business & Economics, Vol. 11, No 1, pp.42-59, 2012
31. "Program Evaluation and Review Techniques II ( PERT II )"
    Siamak Haji Yakhchali
    Engineering Letters, Vol. 19, No 4, pp.324-330, 2011
32. "A New Methodology for Prioritizing Mining Strategies"
    Mohammad Majid Fouladgar , Abdolreza Yazdanichamzini , Siamak Haji Yakhchali
    International Journal of Innovation Management and Technology, Vol. 2, No 4, pp.342-347, 2011
33. "On the latest starting times and criticality of activities in a networkwith imprecise durations"
    Siamak Haji Yakhchali, Seyed Hassan Ghodsypour
    APPLIED MATHEMATICAL MODELLING, Vol. 34, No 8, pp.2044-2058, 2010
34. "Computing latest starting times of activities in interval - valued networks with minimal time lags"
    Siamak Haji Yakhchali, Seyed Hassan Ghodsypour
    EUROPEAN JOURNAL OF OPERATIONAL RESEARCH, Vol. 200, No 3, pp.874-880, 2010
35. "On Criticality of Paths in Networks with ImpreciseDurations and Generalized Precedence Relations"
    Siamak Haji Yakhchali, Seyed Hassan Ghodsypour , Seyed Mohamad Taghi Fatemi Ghomi
    SOFT COMPUTING, Vol. 58, pp.315-324, 2009
36. "Erratum to On computing the latest starting time and floats of activities in a network with imprecise durations"
    Siamak Haji Yakhchali, Seyed Hassan Ghodsipoor
    FUZZY SETS AND SYSTEMS, Vol. -, 2008

Conference Paper

1. "Portfolio selection of projects and programs with respect to Risk and Return"
   Siamak Haji Yakhchali, Vahidreza Yousefi
   37th paris international conference on "advances in science,engineering and waste management"(PASEW-23), 2023
2. "portfolio structures in organizations based on Elena Guides"
   Siamak Haji Yakhchali
   37th paris international conference on "advances in science,engineering and waste management"(PASEW-23), 2023
3. "Net Present Value Optimization for Multi Project Capital Constrained Scheduling Problem"
   Siamak Haji Yakhchali
   23rd PARIS Int'l Conference on "Advances in Science, Engineering & Waste Management" (PASEW-21), 2021
4. "Comparative Comparison of the Elena Project and Value Engineering"
   Faezeh Omrani, Siamak Haji Yakhchali
   23rd PARIS Int'l Conference on "Advances in Science, Engineering & Waste Management" (PASEW-21), 2021
5. "What is WikiPM.ir?"
   Siamak Haji Yakhchali
   22th BORDEAUX-FRANCE Int'l Conference on Humanities, Social Sciences & Interdisciplinary Studies (HSSIS-19), 2019
6. "Optimization of NPV in the RCMPSP under Multi-skill Conditions with using from the PSO Algorithm"
   pezhman asadi, ali eslampanah, Siamak Haji Yakhchali
   22th BORDEAUX-FRANCE Int'l Conference on Humanities, Social Sciences & Interdisciplinary Studies (HSSIS-19), 2019
7. "What is ElenaCenter.com?"
   Siamak Haji Yakhchali
   22th BORDEAUX-FRANCE Int'l Conference on Humanities, Social Sciences & Interdisciplinary Studies (HSSIS-19), 2019
8. "Comparative Comparison of the Elena Project and Value Engineering"
   Fazeh Omeran, Siamak Haji Yakhchali
   22th BORDEAUX-FRANCE Int'l Conference on Humanities, Social Sciences & Interdisciplinary Studies (HSSIS-19), 2019
9. "Examining Challenges and Providing a Tool for Assessing the Delegation of Authority Competency in Project Managers"
   Amir Reza Derhami, Siamak Haji Yakhchali
   13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
10. "Determining Decoupling Points in a Supply Chain Networks using NSGA II Algorithm"
    Maryam Karimi, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
11. "Developing Tools Recognition and Evaluating Program's Outcomes and Portfolio's Benefits Regarding to Elena Program and Portfolio Guidance"
    Pejman Asadi, Alireza Khatami, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
12. "A New Buffer Sizing Approach Based on ELENA Project Management Guidance"
    Mehrasa Mosallami, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
13. "The Role of Technological Factors in Knowledge Transfer in Transnational Projects"
    Fariba Shoeleh, Mahmoud Mohammad Hosein Zadeh Golabchi, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
14. "Social Media: A Way to Customer Engagement with the Brand"
    Zahra Baradaran Sorkhabi, Mohammad Ali Babaei Zakliki, Kambiz Heidarzadeh Hanzaee, Siamak Haji Yakhchali
    13th International Conference on Law, Education, Business and Disaster Management (LEBDM-18), 2018
15. "New ELENA Project Management Standard Approach in Difference between Target and Destination of Projects"
    Sina Ariaa, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology (ICASET-18), 2018
16. "Elena Guide’s Principles in Crisis"
    Zahra Tahaei, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology, 2018
17. "Converting Project’s Risks to Contractual Provisions Based on Elena’s Project Guideline in a Case Study"
    Shahin Danshmand, Nafiesh Solymani, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology, 2018
18. "Cost Minimization Model Of Multi-Skill Resource Constrained Multi-Project Scheduling Problem With Probabilistic Durations By GA"
    Mohmanad Hossein Dalvand, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology (ICASET-18), 2018
19. "New Concordance and Discordance Indexes for ELECRE III Method"
    Meysam Borajeah, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology (ICASET-18), 2018
20. "Using a Novel Method for Portfolio Selection under Uncertainty Condition"
    Sheama Ghanei, Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology (ICASET-18), 2018
21. "Elena Portfolio Guide: A Novel Framework for Portfoli Management"
    Siamak Haji Yakhchali
    10th International Conference on Advances in Science, Engineering and Technology (ICASET-18), 2018
22. "Applying Elena Project Guide for Risks in Constructions Project Model: A Case Study in Acacia Building Project"
    Siamak Haji Yakhchali, Babak Yapir Rashti
    11th Int'l Conference on Business, Education, Humanities and Social Sciences Studies (BEHSSS-18), 2018
23. "FRCPSP with Multi Skill"
    S.sina Ariaa, Siamak Haji Yakhchali
    11th Int'l Conference on Business, Education, Humanities and Social Sciences Studies (BEHSSS-18), 2018
24. "A Genetic Algorithm Optimization for the Resource-Constrained Project Scheduling Problem with Discounted Cash Flows and Delay Penalties"
    Siamak Haji Yakhchali, Azadeh Arjmand
    11th Int'l Conference on Business, Education, Humanities and Social Sciences Studies (BEHSSS-18), 2018
25. "Elena Guide for People: A Novel Framework for Project Managers Competency Development"
    Siamak Haji Yakhchali
    11th Int'l Conference on Business, Education, Humanities and Social Sciences Studies (BEHSSS-18), 2018
26. "Possible and Necessary Optimality of Schedules in the Two Machines Scheduling Problem with Imprecise Processing Times"
    Siamak Haji Yakhchali, Ali Husseinzadeh Kashan
    11th Int'l Conference on Business, Education, Humanities and Social Sciences Studies (BEHSSS-18), 2018
27. "Project Management and Crisis Management in Different Projects (Base on Elena Project Guide)"
    Zahra Tahaei, Siamak Haji Yakhchali
    6th International Conference on Mechanical, Aeronautical and Industrial Engineering (MAIE-17), 2017
28. "The Status of Enterprise Agility In Comparison With Competitors"
    Zahra Baradaran Sorkhabi, Siamak Haji Yakhchali
    6th International Conference on Mechanical, Aeronautical and Industrial Engineering (MAIE-17), 2017
29. "Investigating the Effect of Timely Delivery of Raw Materials on Supply Chain Using System Dynamics (Case Study of Sesame Industries in Yazd Province)"
    Sonia Adibi, Siamak Haji Yakhchali
    6th International Conference on Mechanical, Aeronautical and Industrial Engineering (MAIE-17), 2017
30. "Lexicography and linear mathematical model combined method by stability criterion due to select project portfolio"
    Siamak Haji Yakhchali, Abed Davarpanah Bafti, Navid Fathi
    6th International Conference on Mechanical, Aeronautical and Industrial Engineering (MAIE-17), 2017
31. "Implementation of Elena Project Management System in Pishgaman Group"
    Siamak Haji Yakhchali, Saeeideh Menshadian, Azita Firoozfard
    6th International Conference on Mechanical, Aeronautical and Industrial Engineering (MAIE-17), 2017
32. "A New Buffer Monitoring Approach Based on Earned Value Management Concepts"
    Mehrasa Mosallami, Siamak Haji Yakhchali
    nternational Conference on Literature, History, Humanities and Interdisciplinary Studies (LHHIS-17), 2017
33. "Decision Making Approaches upon Home Buying versus Home Renting for Individual Households"
    Siamak Haji Yakhchali, Mosayeb Hassanvand
    Dubai International Conference on Literature, History, Humanities and Interdisciplinary Studies (LHHIS-17), 2017
34. "Designing a Program Management Maturity Model (ELENA)"
    Mohammad Hossein Afrazeh, Siamak Haji Yakhchali
    Dubai International Conference on Literature, History, Humanities and Interdisciplinary Studies (LHHIS-17), 2017
35. "Proposing a Developed Risk Assessment Model Based on ELENA: A Case Study in Railway"
    Mehraneh Davari, Siamak Haji Yakhchali, Sirous Shojaie
    Dubai International Conference on Literature, History, Humanities and Interdisciplinary Studies (LHHIS-17), 2017
36. "New Model for Portfolio selection_ based on Future approach (SFMADM)"
    Reza Mirbagheri, Reza Roshangarzadeh, Siamak Haji Yakhchali
    7th intrnational Conference on Innovation in Engineering and Technology (ICIET-2017), 2017
37. "Developing a New Model for Project Portfolio Selection Problem under Fuzzy Environment"
    Azam Keshavarz Haddadha, Siamak Haji Yakhchali
    9th Int'l Conference on Business, Law, E-Governance, and Corporate Social Responsibilities (BLECSR-17), 2017
38. "The Application of Critical Chain Concept in Elena Project Guidance"
    Mehrasa Mosallami, Shabnam Kazemi Nimgazi, Siamak Haji Yakhchali
    9th International Conference on Business, Law, E-Governance, and Corporate Social Responsibilities (BLECSR-17), 2017
39. "New Model for Portfolio Selection; Based on Future Approach (SFMADM)"
    Reza Mirbagheri, Reza Roshangarzadeh, Siamak Haji Yakhchali
    9th International Conference on Business, Law, E-Governance, and Corporate Social Responsibilities (BLECSR-17), 2017
40. "The Application of Critical Chain Concept in Elena Project Guidance"
    Mehrasa Mosallam, Shabnam Kazemi Nimga, Siamak Haji Yakhchali
    9th International Conference on Business, Law, E-Governance, and Corporate Social Responsibilities (BLECSR-17), 2017
41. "Introduction of ELENA’s Project Guideline"
    Siamak Haji Yakhchali
    9th International Conference on Business, Law, E-Governance, and Corporate Social Responsibilities (BLECSR-17), 2017
42. "Proposing an Improved Risk Assessement Model_ A Case Study in Saba tower"
    Mehraneh Davari, Siamak Haji Yakhchali, Sirous Shojaie
    Int.Conf on Law Education, Business and Corporate Social Responsiblites, 2017
43. "Develop a location-scheduling model for jumanitarian Supply chain of health services under uncertainty with using of robust optimization Approach"
    Maryam Karimi, Siamak Haji Yakhchali
    Int Conf on Research in Science and Engineering, 2017
44. "Project, Program and Portfolio Risk Perceptions"
    Ali Namazian, Siamak Haji Yakhchali
    nternational Conference on Literature, History, Humanities and Social Sciences (LHHSS-17), 2017
45. "Sustainable Model for Project Management Process"
    Mehdi Aghamohammadi, Siamak Haji Yakhchali
    International Conference on Literature, History, Humanities and Social Sciences (LHHSS-17), 2017
46. "The Application of the Statistical Methods to Measure the Effect of Adding A Bamboo Fiber and Combine it with Animal Collagen on the Physical, Chemical and Sensory Characteristics of Nags Tilapia Fish"
    Shabnam Kazemi Nia Gazi, Seyed Ebrahim Hosseini, Siamak Haji Yakhchali, Meysam Borajee
    International Conference on Literature, History, Humanities and Social Sciences (LHHSS-17), 2017
47. "A practical Approach Based on Fuzzy Analytic Hierarchy Process for Contractor Selection: a Case Study of An Engineering and Development Company in Iran"
    Metra Danshmandi, Siamak Haji Yakhchali
    International Conference on Literature, History, Humanities and Social Sciences (LHHSS-17), 2017
48. "Project Selection Problem by Combination of Shannon Entropy and MCDM Techniques"
    Azam Keshavarz Haddadh, Ali Namazian, Siamak Haji Yakhchali
    International Conference on Literature, History, Humanities and Social Sciences (LHHSS-17), 2017
49. "A Brief Study on Residential Construction Projects from View of Delay Causes Ranking"
    Siamak Haji Yakhchali, Amin Alvanchi, Nima Farmani
    International Conference on Law, Business, Marketing and Education, 2016
50. "MCDM Techniques and Knapsack Approach for Project Selection Problem: A Case Study"
    Azam Keshavarz Haddadha, Siamak Haji Yakhchali, Zahra Jalili Bal
    International Conference on Law, Business, Marketing and Education, 2016
51. "Project selection by using AHP and Bernardo Techniques"
    Azam Keshavarz Haddadha, Ali Namazian, Siamak Haji Yakhchali
    International Conference on Management and Social Sciences, 2016
52. "Robust Optimization Approach for Project Selection and Scheduling Problem with Uncertain Activity Duration"
    Mohamadreza Emami, Siamak Haji Yakhchali, Ali Namazian
    International Conference on Management and Social Sciences, 2016
53. "A New Mixed-Integer Programming Model for Project Portfolio Selection with Strategic Resources"
    Sheama Ghanei, Siamak Haji Yakhchali
    2nd International Conference on Mechanical, Electronics and Mechatronics Engineering (ICMEME'2013), 2013
54. "Introduction to a Stepwise Procedure for Program Planning"
    Siamak Haji Yakhchali, Setareh Torabzadeh, Azadeh Arjmand
    2nd International Conference on Mechanical, Electronics and Mechatronics Engineering (ICMEME'2013), 2013
55. "A Novel Approach for Delay Analysis"
    Mojtaba Ziaei, Siamak Haji Yakhchali
    2nd International Conference on Mechanical, Electronics and Mechatronics Engineering (ICMEME'2013), 2013
56. "Multi-mode Resource-Constraint Project Scheduling Problem (MRCPSP) with pre-emptive activities"
    Mehrad Bastani, Siamak Haji Yakhchali
    2nd International Conference on Mechanical, Automobile and Robotics Engineering (ICMAR'2013), 2013
57. "Do Different Project Categories Need Different Leadership Styles?"
    Siamak Haji Yakhchali, Hamed Heydari Farsani
    2nd International Conference on Management, Behavioral Sciences and Economics Issues (ICMBSE'2013), 2013
58. "Organizational Behavior Factors In Responding To Project Risks Using System Dynamics Approach"
    Siamak Haji Yakhchali
    2011 2nd International Conference on Construction and Project Management, 2012
59. "Project portfolio Selection Using VIKOR Technique under Fuzzy Environment"
    محمد مجید فولادگر, عبدالرضا یزدی, Siamak Haji Yakhchali, محمد حسین قاسم آبادی
    2011 2nd International Conference on Construction and Project Management, 2011
60. "A Simple Approach to Project Scheduling in Networks with Stochastic Durations"
    Siamak Haji Yakhchali
    the 2011 international conference of manufacturing engineering and engineering management organizer, 2011
61. "On Computing the Minimal Latest Starting Times of Activities in Interval-Valued Network with Generalized Precedence Relations"
    Siamak Haji Yakhchali
    World Congress on Engineering 2011-WCE 2011, 2011
62. "A Path Enumeration Approach for Critical Analysis in Project Networks with Fuzzy Activity Durations"
    Siamak Haji Yakhchali
    2011 International Conference on Construction Engineering and Project Management (ICCEPM, 2011
63. "An Incremental Approach for Temporal Analysis in Networks with ImpreciseActivity and Time Lag Durations"
    Siamak Haji Yakhchali, سیدحسن قدسی پور, سیدمحمد تقی فاطمی قمی
    The International Conference on Industrial Engineering andEngineering Management IEEM, 2008
64. "A hybrid genetic algorithm for computing the float ofan activity in networks with imprecise durations"
    Siamak Haji Yakhchali, سیدحسن قدسی پور
    International Conference on Fuzzy Systems FUZZ2008, 2008
65. "Possible Criticality of Paths in Networks withImprecise Durations and Time Lags"
    Siamak Haji Yakhchali, محمد فاضل زرندی, ابراهیم ترکسن, سیدحسن قدسی پور
    NAFIPS, 2007
66. "Necessary Criticality of Paths in Networks withImprecise Durations and Time lags"
    Siamak Haji Yakhchali, محمد فاضل زرندی, ابراهیم ترکسن, سیدحسن قدسی پور
    NAFIPS, 2007
67. "Barriers to the implementation of value engineering in construction projects"
    دینا ذوالفقاری, امیرحسین دلیر, Siamak Haji Yakhchali, Majid Sabzehparvar
    2nd international conference on Architecture , Civil Engineering , Urban Development , Enviroment & Horizons of Islamic Art in the Second Step statement of the Revolution, 2022
68. "Development of physical cyber systems for construction application"
    دینا ذوالفقاری, امیرحسین دلیر, Siamak Haji Yakhchali, محمد جعفری فشارکی
    2nd international conference on Architecture , Civil Engineering , Urban Development , Enviroment & Horizons of Islamic Art in the Second Step statement of the Revolution, 2022
69. "Designing a Tools for Assessing the Delegation of Authority compentency"
    Amir Reza Derhami, Siamak Haji Yakhchali
    Management and Accounting, 2018
70. "Project scheduling considering minimizing tardiness/earliness in uncertain Conditions"
    Said Hidari, Siamak Haji Yakhchali
    13th international Conference on Industrial Engineering, 2017
71. "Proposing a model for selection and clustering the Project Portfoli"
    Azam Keshavarz Haddadha, Siamak Haji Yakhchali
    Int Conf Project Management, 2017
72. "The Benefits and Problems of Implementation of BIM in the Construction Industry"
    Azam Keshavarz Haddadha, Siamak Haji Yakhchali
    int. Conf of Construction and Project Management, 2017
73. "Sustainable checklist for Project Managment and Construction"
    Mehdi Aghamohammadi, Siamak Haji Yakhchali
    int. Conf of Construction and Project Management, 2017
74. "Sustainabiltiy and Prject Managers"
    Mehdi Aghamohammadi, Siamak Haji Yakhchali
    Int. Conf. Construction and Project Managment, 2017
75. "Maturity Assessment based on novel approach Elena Maturity Model: Case Study Saba Tower"
    Serous Shojai, سیامک نوری, Siamak Haji Yakhchali, Yaser Rahimi
    International Project Management Conference, 2016
76. "Project selection by using Bernardo Techniques"
    Azam Keshavarz Haddadha, Ali Namazian, Siamak Haji Yakhchali
    International Project Management Conference, 2016
77. "Introducing solution to reduce time deviations in Construction of Modern architecture buildings"
    Padram Borazjani, Siamak Haji Yakhchali
    2nd National Conference of Construction and Project Management, 2016
78. "Modelling and Solving Project Selection Project Management"
    Mohamadreza Emami, Siamak Haji Yakhchali, Ali Namazian
    2nd National Conference of Construction & Project Managment, 2016
79. "Proposoing an optimal approach for projects selection and scheduling"
    Mohamadreza Emami, Ali Namazian, Siamak Haji Yakhchali
    12th International Conference of Industrial Engineering, 2016
80. "Project Portfolio Selection Based on Means-Variance"
    Siamak Haji Yakhchali, [] []
    12th International Conference of Industrial Engeerning, 2016
81. "Proposing soluation to cost reduction in Modern Constructer Project"
    Padram Borazjani, Siamak Haji Yakhchali
    Int Conf Value Eng. and Cost Management, 2016
82. "Molding and Solving Project Scheduling Problem with Multi critical and Muliti Modes"
    محمدرضا امامی, علی نمازیان, Siamak Haji Yakhchali
    International Conference on Modern Research in Managment and Industrial Engineering, 2015
83. "Proposing a framework for project selection by using MCDM"
    اعظم کشاورز حدادها, Ali Namazian, Siamak Haji Yakhchali
    Internatioanl Conference on Modern Research in Management and Industrial Engineering, 2015
84. "Designing of Portfolio Maturity Model"
    Shima Nikkhoo, Katayoun Taghizadeh Azari, Siamak Haji Yakhchali
    International Project Management Conference, 2015
85. "Portfoli, Program and Project proities by ANP and DEMATEl"
    Mohsen Hassani, Siamak Haji Yakhchali, Hamira Khaksar
    National Conference on Researches of Industrial Engineering, 2015
86. "Stakehodler Precipation about Portfoli, Programme and Project Success in EPC"
    Mohsen Hassani, Siamak Haji Yakhchali, Hamira Khaksar
    International Conference on Managmenet, Economics and Industrial, 2015
87. "Design a novel model for project protfolio selcection based on funding methods"
    Aidin Rezaian, Siamak Haji Yakhchali
    International Industrial Engineering Conference, 2015
88. "Project Portfolio blancing with mininmizing regart under uncertain condition"
    Azadeh Arjmand, Siamak Haji Yakhchali
    10th International Industrial Engineering Conference, 2013
89. "Identify risks in mining project with Fuzzy FMEA"
    Mohammadhoussein Basiri, Adbolreza Yazdani, Masoud Mounjazi, Siamak Haji Yakhchali
    International Conference on Civil Engineering Architecture & Urban Sustainable Development, 2013
90. "Key success factor in stratigic planning with ANP"
    وحید رضا یوسفی, Siamak Haji Yakhchali, سرمد کیانی
    10th Stratigic Management Conference, 2013
91. "Decision Support System for class time tabling: Case Study"
    Siamak Haji Yakhchali, رضا زنجیرانی فراهانی
    4th International IE Conference, 2005
92. "Integer programming for class time tabling: Case Study"
    Siamak Haji Yakhchali, رضا زنجیرانی فراهانی
    4th International IE Conference, 2005