On-farm experimentation handbook for rural development projects: guidelines for the development of ecological and socio-economic sound extension messages for small farmers
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Bibliographic Details
Main Author: Steiner, Kurt G. (Author)
Format: Book
Language:English
Published: Eschborn GTZ 1987
Series:Sonderpublikationen der GTZ 203
Subjects:
Physical Description:307 S. graph. Darst.
ISBN:3880853428

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