000 00263nam a22001337a 4500
003 SGT
082 _bKAL
100 _aKALAVATHY S.
245 _aOPERATION RESEARCH
250 _a4TH
260 _bVIKAS PUBLICATION
_c2018
300 _a533
942 _2ddc
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999 _c15346
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