000 00272nam a22001217a 4500
020 _a9780070600928
245 _aINTRODUCTION TO OPERATIONS RESEARCH
250 _a8
260 _aDELHI
_bMC GRAW HILL
_c2011
300 _a1061
650 _aRESERCH METHDOLOGY
942 _cBK
999 _c77440
_d77440