MAKKAR, Sandhya; JHA, Prakash C. Procurement-distribution model for perishable items with quantity discounts incorporating freight policies under fuzzy environment. Yugoslav Journal of Operations Research, [S. l.], v. 23, n. 2, p. 183–196, 2013. DOI: 10.2298/YJOR130211029M. Disponível em: https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/359. Acesso em: 26 aug. 2025.