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Revitalizing agricultural research in the Sahel : a proposed framework for action
Weijenberg, Jan (contributor); Weijenberg, Jan (contributor) - 1993 - 1. print.
Persistent link: https://www.econbiz.de/10013264365
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Strengthening national agricultural research systems in Eastern and Central Africa : a framework for action
Weijenberg, Jan (contributor) - 1995
Persistent link: https://www.econbiz.de/10013346249
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Agricultural Research in the Sahel : Challenge and Response
Weijenberg, Jan - Economics Research, World Bank Group - 1994
Persistent link: https://www.econbiz.de/10010831180
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Agricultural Research in the Sahel : Challenge and Response
Weijenberg, Jan - Economics Research, World Bank Group - 1994
Persistent link: https://www.econbiz.de/10010645836