00297nam a2200121Ia 4500020001800000082001900018100001800037245002400055250001300079260004200092650002400134700001700158  a9789351611011  a658.4034 SWA/O  aSwarup, Kanti 0aOperations Research  a7TH ED.   bSultan Chand & SonsaNew Delhi c1995  aOperations Research  aGupta, P. K.