A. Nawkhass, M. and Nejmaddin A. Sulaiman 2022. Solving of the Quadratic Fractional Programming Problems by a Modified Symmetric Fuzzy Approach. Ibn AL-Haitham Journal For Pure and Applied Sciences. 35, 4 (Oct. 2022), 241–245. DOI:https://doi.org/10.30526/35.4.2858.