Catalogue of orange-fleshed sweetpotato varieties for Sub-Saharan Africa - Tumwegamire, Silver; Mwanga, Robert O.M.; Andrade, M.I.; Low, Jan W.; Ssemakula, G.N.; Laurie, S.; Chipungu, Felistus P.; Ndirigue, J.; Agili, S.; Karanja, L.; Chiona, M.; Njoku, J.C.; et al. (International Potato Center, 2014)