00350nam a2200145 a 450000500170000002000150001708200180003210000180005024500240006825000130009226000430010530000250014870000160017370000150018920251203110713.0  a8180540596  a658.4034bSWA  aSwarup, Kanti  aOperations Research  a11th ed.  aNew DelhibSultan Chand & Sons.,c2003  axiv,747p.c24 cm. PB  aGupta, P.K.  aMohan, Man