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Agricultural Mechanization and the Evolution of Farming Systems in Sub-Saharan Africa
Norman, David, Pingali, Prabhu, Bigot, Yves, Binswanger, Hans P.Volume:
70
Language:
english
Journal:
American Journal of Agricultural Economics
DOI:
10.2307/1242114
Date:
May, 1988
File:
PDF, 234 KB
english, 1988