000 00331nam a2200145Ia 4500
008 220926s9999 xx 000 0 und d
100 _aR.Siva Rathina Mohan
245 0 _aOperations Research
250 _a-
260 _aNew Delhi
260 _bTata McGraw Hill
260 _c0
650 _aOperations Research
942 _cBK
999 _c23561
_d23561