Issues of sustainability in agricultural research in Africa
Reardon, T., Islam, N.
Issues of sustainability in agricultural research in Africa - Washington 1988 - 43-67 p. - No. 180; International Food Po .
63(072)(6)
Issues of sustainability in agricultural research in Africa - Washington 1988 - 43-67 p. - No. 180; International Food Po .
63(072)(6)