000 00273nam a2200109Ia 4500
008 230901s9999 xx 000 0 eng d
100 _aSharma (S.D)
245 0 _aOperations Reserch
250 _a1
260 _bM C GRAW HILL EDUCATION PVT LTD (MCG)
942 _2ddc
_cSCIENCE
999 _c17985
_d17985