00433pamaa2200169 4500 0000003383 20060530090000.0 0538655933 330 WIL 1997 HB171.5 WIL 1997 WILSON Economics J.Holton Wilson, J.R.Clark. 4th ed. Ohio: South Western Pub., 1997. xix, 748p.: col.ill.; 28cm. Economics CLARK, J.R.