00588nam a2200181 4500 1/11033 970915s1971 enk 000 0 eng 0060443820 11386 DLC GR-PeUP 330 McK McKean, John R. Readings in introductory economics/ John R. McKean, Ronald A. Wykstra. New York: Harper & Row publishers, 1971. 406p.: fig.; 21 cm. Economics. INST UNIPILB MAIN 20040709 330 McK 00107860 00107860 LOAN 0 1 /webopac/covers/01/11386_0060443820.jpg