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Zambia's stop-and-go revolution : the impact of policies on the development and spread of maize technologies
Howard, Julie A. (contributor);  … - 1996
Persistent link: https://www.econbiz.de/10003427820
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Green revolution technology takes root in Africa : the promise and challenge of the Ministry of Agriculture/SG2000 experiment with improved cereals technology in Ethiopia
Howard, Julie A.; Kelly, Valerie A.; Stepanek, Julie; … - 1999
Persistent link: https://www.econbiz.de/10002220850
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The impact of investments in maize research and dissemination in Zambia
Howard, Julie A. (contributor);  … - 1993
Persistent link: https://www.econbiz.de/10003408819
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Main report
Howard, Julie A. (contributor);  … - 1993
Persistent link: https://www.econbiz.de/10003408823
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Annexes
Howard, Julie A. (contributor);  … - 1993
Persistent link: https://www.econbiz.de/10003408830