Ndiweni, M. Involving farmers in rural technologies : case studies of Zimbabwean NGOs / M. Ndiweni, Brian Macgarry, Arthur Chaguma & Davisoa Gumbo - London : ODI , 1991 - iii, 54p. : ill. ; 15 cm. - AAU. Research and Extension Network Paper No. 25 . Includes bibliographical references and index. ISBN: <0951-1873> Subjects--Topical Terms: Agricultural engineeringNGOCase studies Gov. Doc. Class. No.: GB ODI AAU NP-25