Najafi M, Faroughi H. Opportunistic Maintenance Modeling in a Closed-Loop Supply Chain: The Impact of Spare Parts Material, Technician Skill, and Environmental Conditions. Sup. Chain. Oper. Decis. Mak. [Internet]. 2025 Dec. 19 [cited 2026 Jul. 13];2(4):243-60. Available from: https://scodm.reapress.com/journal/article/view/47