Deep Joshi, Vishwas, Jagdev Singh, and Rachana Saini. “On a Paradox in Multi-Objective Linear and Fractional Transportation Problem”. Science & Technology Asia 25, no. 1 (March 26, 2020): 157–165. Accessed April 24, 2024. https://ph02.tci-thaijo.org/index.php/SciTechAsia/article/view/240328.