00432nam a2200169 a 4500001001400000003000400014008004100018020001500059050002200074100001900096245003700115250001100152260003300163300001700196650001500213700003400228vtls000005716MTX970814c1990    usaa          001   eng d  a002946119700aHD171.5bD88 19901 aDyal, James A.10aBasic Economics /cJames A. Dyal  a2nd ed  aNew York :bMacmillan,c1990  a510 p :bill 0aEconomics.1 aDaratjas, Nicholas,cjt. auth