Douglas, Johnson E. Succesful seed programs; a planning and management guide - Boulder, Col. : Westview, 1980 - 302 p. - IADS development-oriented literature series . - IADS development oriented literature series . LCCN: 21220 Subjects--Topical Terms: Semillas--Investigación.Semillas--Mercadeo. Dewey Class. No.: 631.521 / D6