Ekanayake E.M.U.S.B, Daundasekara W. B., and Perera S.P.C. “Solution of a Transportation Problem Using Bipartite Graph”. Global Journal of Science Frontier Research 21, no. F1 (January 15, 2021): 55–68. Accessed May 4, 2024. https://journalofscience.org/index.php/GJSFR/article/view/2890.