Bingham, Robert C. Economic concepts : a programmed approach / eng. Robert C. Bingham. - 10th ed. / revised by William Henry Pope. - New York : McGraw-Hill, c1993. - xi, 448 p. : ill. ; 26 cm. ISBN: 0070455910 : Subjects--Topical Terms: Economics--Programmed instruction. Dewey Class. No.: 330.01 / BIN