Agricultural technology in Sub-Saharan Africa : a Workshop on research : issues / ed. Suzanne Gnaegy, Jock R. Anderson

Agricultural technology in Sub-Saharan Africa : a Workshop on research : issues / ed. Suzanne Gnaegy, Jock R. Anderson . - Washington : The World Bank, 1991 . - X, 142 p. : il. 28 cm . - (World Bank discussion papers; 126))
0-8213-1866-7 (Brochado)

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