An Interval-Valued Method For Solving Fuzzy Multi-LevelMultiObjective Integer Fractional Programming Problem Journal title: International Journal of engineering Research and Applications Authors: Omar M. Saad, Mervat M. Elshafei, Marwa M. Sleem Subject(s):
Branch and bound algorithm for discrete multi- level linear fractional programming problem Journal title: Operations Research and Decisions Authors: Ritu ARORA, Kavita GUPTA Subject(s):