00282nam a2200109 a 450000500170000002000150001708200210003210000260005324500410007926000360012030000160015620251202164145.0  a0091262011  a330.024658,bsav  aSavage, Christopher,I  aIntroduction to managerial economics  aLoNew Delhion: Hutchinsonc1075  a240p.c22cm