Epp, Donald J. . Introduction to agricultural economics / Donald J. Epp, John W. Malone. - New York : Macmillan , 1981. - xi,354p. : ill.,figs.,table ; 25cm . NULL ISBN: 0029775604 USD 14.50 Subjects--Index Terms: AGRICULTURE-ECONOMIC ASPECTS Dewey Class. No.: 338.1 / EPP/I