Yildizbaşi, Abdullah, Ahmet Çalik, Turan Paksoy, Reza Zanjirani Farahani, and Gerhard-Wilhelm Weber. “Multi-Level Optimization of an Automotive Closed-Loop Supply Chain Network With Interactive Fuzzy Programming Approaches”. Technological and Economic Development of Economy 24, no. 3 (May 18, 2018): 1004-1028. Accessed November 23, 2024. https://tede.vgtu.lt/index.php/TEDE/article/view/1677.