Evaluating research system performance and targeting research in land-abundant areas of Sub-Saharan Africa
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[1] P. Pingali,et al. The Evolution of Farming Systems and Agricultural Technology in Sub-Saharan Africa* , 1986, Policy for Agricultural Research.
[2] D. Evans. The impact of government intervention on smallholder development in North and East Uganda , 1984 .
[3] D. Norman,et al. The farmer in the semi-arid tropics of West Africa: a partially annotated bibliography , 1982 .
[4] Robert E. Evenson,et al. Induced Innovation: Technology, Institutions, and Development , 1978 .