Title:Seed diffusion mechanisms in small farmer communities : lessons from Asia, Africa and Latin America / Edited by Elizabeth Cromwell Other authors:Cromwell, Elizabeth jt. auth. Publication information:Overseas Development Institute (ODI ISSN:09511873 Physical description:i, 57 p. ; 22 cm. Series title:Agricultural administration (research and extension) network paper : No. 21 Call number: 630 AAN-21 Access from: General reading(at CDRI Library) Items: CDRI Library 005947 (005947) located at General