List of Articles Open Access Article Abstract Page Full-Text 1 - A Hierarchical Fuzzy Data Envelopment Analysis to Locate the Solar Power Sites Navid Rafiei Mahtab Sherafati Open Access Article Abstract Page Full-Text 2 - A Multicriteria Decision Making Model for Outsourcing Heavy Transportation Activities: (Case Study: Iran’s Oil, Gas, and Petrochemical Industries Kiarash Vazirizadeh Hamidreza Izadbakhsh Hamed Davari-Ardakani Open Access Article Abstract Page Full-Text 3 - Multi-Layer Modeling of Supply Chain for Products with Limited Lifespan (Case Study: Olive Oil in ETKA’s Stores) Mohammad Samie Mohammadi Mahdi Yousefi Nejad Attari Open Access Article Abstract Page Full-Text 4 - Design of Resilient Supply Chains Model in Iran Khodro with Structural Equation Modeling and Qualitative Techniques Kazem Ravansetan Hasanali Aghajani Abdolhamid Safaei Ghadikolaei Mahmood Yahyazaheh far Open Access Article Abstract Page Full-Text 5 - Presenting an Interpretive Structural modeling Approach of Agility Criteria (Case Study: Fajr Jam Gas Refinery) Abbas Shoul Saeid Sadeghi Open Access Article Abstract Page Full-Text 6 - Identifying Six Sigma Critical Success Factors to Reduce Variability of Processes (Case study: Dairy Industry) Behzad Ghasemi Roghayeh Gharehpoor Niloofar Kavoli Haghighi Open Access Article Abstract Page Full-Text 7 - An Effective Frog-leaping Algorithm to Minimize the Completion Time Problem of the Resource-constrained Projects Alireza Haji Akhondi Gholam Reza Tavakoli Peyman Akhavan Manouchehr Manteghi Open Access Article Abstract Page Full-Text 8 - Increasing the Customers Score through the EFQM Excellence Model in International Inspection Companies Sanaz Rasouli Kamran Jamali Firouzabadi Open Access Article Abstract Page Full-Text 9 - Ranking of Balanced Scorecard Indicators for Performance Evaluation in Iranian Power Distribution Companies Using Fuzzy Analytical Hierarchy Shokraleh Khajavi Omid Nejati