TY - JOUR AU - Alizadeh Beromi, Mahdi AU - Afshar Kazemi, Mohammad Ali AU - Keramati, Mohammadali AU - Toloie Ashlaghi, Abbass TI - Designing an Optimal Recycling Model in a Four-Level Closed-Loop Supply Chain by Queuing Theory and ‎Robust Planning (Case Study: Paper Industry) JO - Journal of Strategic Management in Industrial Systems VL - 18 IS - 65 SP - 91 EP - 115 PY - 2023 DO - 10.30495/imj.2023.1993565.1867 ER -