00485nam a22001694a 450000500170000001000260001702000260004303500130006903500140008203700130009608200120010910000170012124500610013826000380019927000490023730000290028620230523163457.0  aENG-99505  ENG-137012  c280.00a9788125931393  aEN-83037  aEN-120544  bDBAD/PUB  a001.424  aS. Kalavathy  aOpration research : cby S. Kalavathybwith C programs /  aNew DelhibVikas Pub. Housec2009  a576, Masjid Road JangpurabNew Delhie110014  axv, 551 p. c22cm (Pbk)