KALANI, Homa; DAVOODI, Sayyed Mohammad Reza. Reducing Environmental Pollutions in Closed-loop Supply Chain Optimization through Fuzzy Complex Integer Programming. International journal of industrial engineering and operational research, [S. l.], v. 6, n. 2, p. 32–48, 2024. DOI: 10.22034/ijieor.v6i2.86. Disponível em: https://bgsiran.ir/journal/ojs-3.1.1-4/index.php/IJIEOR/article/view/86. Acesso em: 5 sep. 2026.