000 00327nam a2200133 a 4500
082 _a658.4034
_bGUP
100 _aGupta, P.K.
245 _aOperations Research and Statistical Analysis
250 _a3rd ed.
260 _bSultan Chand & Sons:
_aNew Delhi
_c1987
300 _axvi, 703p.
700 _aMohan, Man
942 _cREF
999 _c20135
_d20135