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1Research design and implementation in the Sebungwe Region of Zimbabwe Research design and implementation in the Sebungwe Region of Zimbabweby 49180 Blackie, M.J., 91746 Matlon, P., 53829 Cantrell, R., 83093 King, D., 48136 Benoit-Cattin, M., 9484 IDRC, Ottawa (Canadá), 39239 Workshop on farmers' participation in the development and evaluation of technology Ouagadougou (Alto Volta) 20-25 Set 1983
Published 1984Texto bibliotecaIICA