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[Rezension von: Pingali, Prabhu, ..., Agricultural mechanization and the evolution of farming systems in Sub-Saharan Africa]
Norman, David W. - In: American journal of agricultural economics 70 (1988) 2, pp. 498-499
Persistent link: https://www.econbiz.de/10001343175
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Factors affecting adoption of improved maize seed and fertiliser in Northern Tanzania
Nkonya, Ephraim - In: Journal of agricultural economics 48 (1997) 1, pp. 1-12
Persistent link: https://www.econbiz.de/10001245882
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Technical change and the small farmer in Hausalan Northern Nigeria
Norman, David W. (contributor); Pryor, David H. (contributor) - 1979
Persistent link: https://www.econbiz.de/10001601712