“Solution of Fuzzy Maximal Flow Problems of Vehicles in Province of Diwaniyah Using the Ranking Function for Fuzzy Linear Programming Model”. Journal of Economics and Administrative Sciences 19, no. 73 (October 1, 2013): 430. Accessed May 8, 2024. https://jeasiq.uobaghdad.edu.iq/index.php/JEASIQ/article/view/1001.