Moris, Jon R. Extension alternatives in tropical Africa / Jon Moris. - London : Overseas Development Institute, c1991. - 184 p. : ill. ; 21 cm. - Occasional paper / Agricultural Administration Unit ; 7 . Includes bibliographical references (p. 165-184). ISBN: 0850031052 LCCN: 93-132134 Subjects--Topical Terms: Agricultural extension work--Africa, Sub-Saharan.Agriculture-- Technology transfer--Africa, Sub-saharan.Agricultural development projects--Africa, Sub-Saharan. Dewey Class. No.: 630/.715067