List of Articles Modeling Open Access Article Abstract Page Full-Text 1 - Evolution and modeling in sustainable supply chain management research mehdi izadyar Abbas Toloie Eshlaghy Seyed Mohammad Seyed Hosseini Zahra Mehri Open Access Article Abstract Page Full-Text 2 - The Impact of Outsourcing the Government Agencies Activities on the Organizational Structure Hossein Navidi Mehraban Hadi Paykani Open Access Article Abstract Page Full-Text 3 - A non-additive fuzzy hybrid model for supplier evaluation and prioritization: A case study of automotive brake system manufacturer Naser Hamidi Parvaneh Samouei Open Access Article Abstract Page Full-Text 4 - Effect of Customer to Customer Interactions on Satisfaction, Loyalty and Word of Mouth Advertisements of Customers (Case Study of Semnan Traveling and Tourism Agencies) N. Imankhan S. Eekani M. Fakharyan Open Access Article Abstract Page Full-Text 5 - Developing a Technique Based on Extended Gravitational Force to Solve Scheduling Problem عزیز نوروزی نودهی عباس طلوعی اشلقی Open Access Article Abstract Page Full-Text 6 - Identification and Management of the Main Challenges in Saffron Industry in Iran Samuel Yousefi Jamileh Hayati Sargiz Yousefi