a reference manual Swanson, E Burton Bentz, P Rober Sofranko, Andrew J eds. text New Delhi United Nations Daya Publishing House 2005 Food and Agricultrual Oraganizations 1997 monographic ix, 220p. English History, development and future of agricultural extension Institutional factors Developing and delivering extension programmes 630.71 SWA/IM 9788170354086 8170354080