000 00334nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aR.K.Gupta
245 0 _aOperations Research
250 _a10th Ed
260 _aMeerut
260 _bKrishna Prakashan Mandir
260 _c1994
650 _aOperations Research
942 _cBK
999 _c16450
_d16450