000 00239nam a22001097a 4500
082 _a311.5
100 _aTAHA, HAMDY A
245 _aOPERATION RESEARCH AN INTROCTION
250 _aSIX
260 _bPRENTICE' HALL OF INDIA
942 _2ddc
_cBK
999 _c3687
_d3687