List of Articles Open Access Article Abstract Page Full-Text 1 - A Mixed Integer Programming Model to Determine the Optimum Layout of Assembly Department Facilities in GPI Plant Saeed Espid Alireza Rashidi Komijan Jamshid Nazemi Open Access Article Abstract Page Full-Text 2 - The Study of Effective Factors in Outsourcing Strategic Decisions Ramin Soroosh Sadigh Raissi Ghanbar Abbaspour Asafden Open Access Article Abstract Page Full-Text 3 - Making Comparison between Fuzzy and Non-Fuzzy MCDM to Calculate Weight Factors of Project Activities Heresh Golpîra Open Access Article Abstract Page Full-Text 4 - Investigating the Effect of Structural Dimensions on Entrepreneurial Tendency (Case Study) Houshang Taghi Zadeh Ghaffar Tari Behrooz Bina Open Access Article Abstract Page Full-Text 5 - A Survey on the Relationship between Transformational Leadership and Employees’ Empowerment in Birjand Kavir Tire Company Mohammad Reza Neyestani Haidar Choupani* Hojat Gholamzadeh Mojtaba Zare Khalili Open Access Article Abstract Page Full-Text 6 - A Survey on Organizational Factors Underlying Empowering Employees in Research Institute of Petroleum Industry Samad Barani Mehdi Afkhami Ardakani Seyed Ghader Radmard Open Access Article Abstract Page Full-Text 7 - Using Colored Petri Nets to Simulate a Traffic Model Khodakaram Salimfard Mehdi Ansari Open Access Article Abstract Page Full-Text 8 - Determining the Factorial Structure of Safety Climate in Non-profit Organizations (Case study: Universities and Banks of Semnan City) Seddigheh Khorshid Fatemeh Jalaii Open Access Article Abstract Page Full-Text 9 - Barriers to Operational Budgeting and Financial Mechanisms based on Sheh triple model (Case Study: Tehran Regional Electric Power Distribution Co.) Faridon Abdsabour Mostafa Ravand