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1
Agricultural research and the rural poor a review of social science analysis per Biggs, Stephen
Publicat 1991Signatura: loading...
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2
Developing technologies for the rural poor. per Biggs, Stephen
Publicat 1984Signatura: loading...
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3
Generation and diffusion of agricultural technology a review of theories and experiences per Biggs, Stephen D.
Publicat 1983Signatura: loading...
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4
The Kosi symposium the rural problem in North-east Bihar.
Publicat 1976Signatura: loading...
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