00374nam a2200145 a 450000500170000002000150001708200180003210000180005024500240006825000090009226000700010130000260017170000160019770000150021320251203111416.0  a8180547195  a658.4034bSWA  aSwarup, Kanti  aOperations research  a2009  aNew DelhibSultan Chand & Sons Educational Publishersc2008-R2009  axvi,1006p.c24cm.cPB  aGupta, P.K.  aMohan, Man