00290pam a2200121 a 4500020000500000041000500005082001100010100003100021245005900052250000900111260004000120300000800160  c  h  a658.15  aMAHAJAN (Mukund S)eauthor  aEngineering and Managerial EconomicshTextual Document  a2nd   bEverest Publishing House Punec1997  a279