00335nam a2200133Ia 4500020001800000082002500018100003100043245002700074250000800101260002800109300003000137500000500167700002900172  a9781405160476  a338.5024658bP738.ME  aPng, Ivan and Lehman, Dale  aManagerial economicsb  a3rd  aMaldenbBlackwellc2007  axviii, 477p. Bibl. Index.  a  aLehman, Dale ; jt. auth.