Text ( visual ) : unmediated Farmer participation in agricultural research : a review of concepts and practices / John Farrington and Adrienne Martin. -- London : Overseas Development Institute , c1988. -- 79 p. ; 21 cm. -- (Occasional paper ; 9). -- Includes bibliographies. -- ISBN 085003115X ; (BA11037447) ; https://ci.nii.ac.jp/ncid/BA11037447 Author Heading(s): Farrington, John ; Martin, Adrienne. -- Classification(s): DC19 : 630/.72. -- Subject Heading(s): PRECIS : Agriculture. Research projects

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