ABO-SINNA, M.A. and Amer, A.H. 2017. An Interactive Dynamic Fuzzy Goal Programming for Bi-level Multiobjective Linear Fractional Programming Problems. JOURNAL OF ADVANCES IN MATHEMATICS. 12, 12 (Feb. 2017), 6991–7007. DOI:https://doi.org/10.24297/jam.v12i12.3720.