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Induced technical change in centrally planned economies por Fan, Shenggen, Ruttan, Vernon W.

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Study of the External Review Processes in the CGIAR por Ruttan, Vernon W.

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Memorandum and Letter from TAC Subcommittee on Plant Nutrition Chairman Vernon W. Ruttan por CGIAR Technical Advisory Committee Subcommittee on Plant Nutrition, Ruttan, Vernon W.

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