000 00248nam a2200109Ia 4500
020 _a9788120301627
082 _a658.4034
100 _aWAGNER M., HARVEY
245 _aPRINCIPLES OF OPERATION RESEARCH
260 _aNEW DELHI
_b PHI
_c2011
942 _cBK
999 _c7390
_d7390