00354nam a2200145   45000010005000000030003000050050017000080080041000250350018000660350017000840500023001011000023001242450027001472600034001749545UR20220428183151.0061102|||||||||||||||||||||||||||||||| d  a(janium) 9534  a(janium)9534 4aHB171.5b.W95 19711 aWykstra, Ronald A.10aIntroductory economics  bHarper & Row Publishersc1971