[1]
S. Tumwegamire, R. Kapinga, D. Zhang, C. Crissman, and S. Agili, “Opportunities for promoting orange-fleshed sweetpotato as a mechanism for combat vitamin-a deficiency in Sub-Saharan Africa”, Afr. Crop Sci. J., vol. 12, no. 3, pp. 241–252, Jan. 2005.