S. Keyser, R. .; Abd El-Wahed Khalifa, H. . A Fuzzy Goal Programming Approach for Solving ‎Multi-Objective Minimum Cost Flow Problems ‎with Possibilistic Coefficients. Uncert. Disc. Appl. 2024, 1 (1), 29-40. https://doi.org/10.48313/uda.v1i1.20.