000 00236nam a2200109Ia 4500
020 _a9788121902816
082 _a658.4034
100 _aTAHA, A. HAMDY
245 _aOPERATIONS RESEARCH
260 _aNEW DELHI
_b PEARSON
_c2011
942 _cBK
999 _c6991
_d6991