Singh, Chaman, and S.R. Singh. “An Integrated Supply Chain Model for the Perishable Items With Fuzzy Production Rate and Fuzzy Demand Rate”. Yugoslav Journal of Operations Research 21, no. 1 (March 1, 2011): 47–64. Accessed August 25, 2025. https://yujor.erc.fon.bg.ac.rs/index.php/yujor/article/view/304.