R. . S. Keyser and H. . Abd El-Wahed Khalifa, “A Fuzzy Goal Programming Approach for Solving ‎Multi-Objective Minimum Cost Flow Problems ‎with Possibilistic Coefficients”, Uncert. Disc. Appl., vol. 1, no. 1, pp. 29–40, Mar. 2024, doi: 10.48313/uda.v1i1.20.