000 00238nam a22001097a 4500
003 SGT
100 _aTAHA, HAMDY A
245 _aOPERATIONS RESEARCH AN INTRODUCTION
250 _a8TH E.D
260 _aNEW DELHI
_bPEARSON
942 _2ddc
_cCD
999 _c20023
_d20023