000 00352nam a2200157Ia 4500
100 _aGupta/Premkumar/ Hira/D.S
942 _cBK
366 _f20
654 _aoperations research
245 _aOperations Research
260 _bS.Chand & Co.
_aNew Delhi
_c2007
082 _a658.4034/GUP
_bGUP
300 _a1377
546 _aENGLISH
999 _c32231
_d32231