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Farming systems in Africa : the great lakes highlands of Zaire, Rwanda, and Burundi
Jones, William I., (1984)
Peasants in the hills : a study of the dynamics of social change among the Buhid Swidden Cultivators in the Philippines
Lopez-Gonzaga, Violeta B., (1983)
An appraisal of the present farming systems of the Atebubu District of Ghana
Balasubramanian, V., (1982)
Future for beef and sheep
Garner, Frank H., (1957)