%0 Journal Article %A Mahmoud A. Abo-Sinna %T Stability of Multi-Objective Bi- Level Linear Programming Problems Under Fuzziness %J Yugoslav journal of operations research %D 2013 %P 343 %V 23 %N 3 %I mathdoc %U http://geodesic.mathdoc.fr/item/YJOR_2013_23_3_a2/ %G en %F YJOR_2013_23_3_a2