Shams Moosavi, Seyed Mohammad, Mehdi Seifbarghy, and Seyed Mohammad Haji Molana. “Flexible Fuzzy-Robust Optimization Method in Closed-Loop Supply Chain Network Problem Modeling for the Engine Oil Industry”. Decision Making: Applications in Management and Engineering 6, no. 2 (July 4, 2023): 461–502. Accessed August 19, 2025. https://dmame-journal.socialspacejournal.eu/index.php/dmame/article/view/569.