Farmers' knowledge and perception of improved technology : a study of five farming systems

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Detalles Bibliográficos
OCLC:8033671
Autor Principal: Gunawardana, A. M. T.
Outros autores: Wickramasinghe, M. L. (joint author.), Abeyratne, S. (joint author.)
Idioma:English
Publicado: Colombo : Agrarian Research and Training Institute, 1980.
Series:Research study series (Agrarian Research and Training Institute) ; No. 34.
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Government Document Monograph

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80-903344 Dispoñible