"The Evolution of Farming Systems and Agricultural Technology in Sub-Saharan Africa"


Hans P. Binswanger and Prabhu L. Pingali


In Agricultural Research Policy Seminar, April 14-24, 1986, Proceedings for Module II, eds. Fred Hoefer, Carl Pray, Vernon W. Ruttan and Ruben Echeverria, (St. Paul, MN: University of Minnesota, Minnesota Extension Service, 1986)