Everything you ever wanted to know about sweetpotato: Reaching agents of change ToT manual. 1: Helping adults to learn. Origin and importance of sweetpotato. Sweetpotato varietal selection and characteristics - Stathers, T.; Low, Jan W.; Carey, T.; Mwanga, Robert O.M.; Njoku, J.; Tumwegamire, Silver; Malinga, J.; Andrade, M.I. (International Potato Center, 2013)