Norton, George W. Introductin to economics of agricultural development / George W. Norton and Jeffrey Alwang - New York : McGraw-Hill, c1993. - xii,404 p. : ill. ; 23 cm. ISBN: 0071127593 LCCN: Subjects--Topical Terms: Agriculture economic aspects LC Class. No.: HD1415 / .N67 1993 Dewey Class. No.: 338.1 / N882i