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Book List
4
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Sustainability in agricultural development programmes : the approach of USAID / Robert O. Blake.
- International institute for environment and development. Sustainable agriculture programme,
- 1989.
- London :
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Evolution of agricultural research and development since 1950 : toward an integrated framework / Robert E. Rhoades.
- International institute for environment and development. Sustainable agriculture programme,
- 1989.
- London :
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Trees as savings and security for the rural poor / Robert J.H. Chambers.
- International institute for environment and development. Sustainable agriculture programme,
- 1988.
- London :
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Microenvironments unobserved / Robert Chambers.
- International institute for environment and development. Sustainable agriculture programme,
- 1990.
- London :