00403nam a2200157   45000010005000000030003000050050017000080080041000250350018000660350017000840500023001011000018001242450069001422500011002112600023002229505UR20220428183139.0061102|||||||||||||||||||||||||||||||| d  a(janium) 9494  a(janium)9494 4aHB171.5bM656 20001 aMings, Turley10aStudy of economics, theb : principles concepts and applications  a6a ed.  bMc Graw Hillc2000