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020 _a9788125912750
041 _aeng
082 _a658.4034
_bKAL
100 _aKalavathy, S.
245 _aOperation Research
250 _a2
260 _aNew Delhi
_bVikas Publishing House
_c2006
300 _a536
365 _b45
500 _aOperations Research
650 _aOperations Research
999 _c3395
_d3395