Bingham, Robert C. Economic concepts : a programmed approach / Robert C. Bingham. - 10th ed. / revised by William Henry Pope. - New York : McGraw-Hill, c1993. - xi, 448 p. : ill. ; 26 cm. ISBN: 0070455910 $19.16 Subjects--Topical Terms: Economics--Programmed instruction. LC Class. No.: HB171.5 / .B52 1993 Dewey Class. No.: 330/.07/7