List of Articles Open Access Article Abstract Page Full-Text 1 - Designing a close-loop green supply chain with consideration of demand forecasting for 3d printer products Farideh Etemadifard Amirreza Ahmadi Keshazarz Fereshte Khalaj Open Access Article Abstract Page Full-Text 2 - Identifying and ranking the effective factors of the supply chain and the role of the balance of the production line in it by using a combined decision-making approach with multiple criteria. Omid Aghamoradi Bisetooni Mehrdad Nikbakht Mohammad Reza Feylizadeh Arash Shahin Open Access Article Abstract Page Full-Text 3 - Prioritizing appropriate strategies to deal with key risks in the design projects of oil, gas, and petrochemical units Behrooz Liravinia Mahmoud Modiri Kiamars Fathi Abdul-Rahim Rahimi Open Access Article Abstract Page Full-Text 4 - Analysis and location of the industrial town of Alborz Qazvin city using AHP and ELECTRE models Ahmad Ali Oumouei Milan Raoof Emami Razliqi alireza irajpour Open Access Article Abstract Page Full-Text 5 - Presenting mathematical model for locating cycling stations under conditions of uncertainty Mahdi Yousefi Nejad Attari Shahram Banaii Fatemeh Ahmad Zohreh Khalilpourshiraz