List of Articles برنامه ریزی استوار Open Access Article Abstract Page Full-Text 1 - Designing an Optimal Recycling Model in a Four-Level Closed-Loop Supply Chain by Queuing Theory and Robust Planning (Case Study: Paper Industry) Mahdi Alizadeh Beromi Mohammad Ali Afshar Kazemi Mohammadali Keramati Abbass Toloie Ashlaghi 10.30495/imj.2023.1993565.1867