Bhattacharya, Partha Pratim, Kousik Bhattacharya, and Sujit Kumar De. “A Study on Pollution Sensitive Sponge Iron Based Production Transportation Model under Fuzzy Environment”. Decision Making: Applications in Management and Engineering 5, no. 1 (May 13, 2022): 225-245. Accessed November 30, 2022. https://www.dmame.rabek.org/index.php/dmame/article/view/408.