000 00235nam a2200109Ia 4500
020 _a9788131711040
082 _a658.4034
100 _aTAHA, HAMDY A.
245 _aOPERATION RESEARCH
260 _aNEW DELHI
_b PEARSON
_c2011
942 _cBK
999 _c6993
_d6993