1. Abidin, P.E., Nyekanyeka, T., Heck, S., McLean, S., Mnjengezulu, G., and Chipungu, F. (2013) Less Hunger, Better Health and More Wealth: The Benefits of Knowledge Sharing in Malawi’s Orange-Fleshed Sweet Potato Project. Hunger-Nutrition-Climate Justice. A New Dialogue: Putting People at the Heart of Global Development (Conference Papers), Dublin, Ireland, 15-16 April 2013, 55-58.
2. FAO (2012) FAO Production Statistics. http://www.fao.org
3. Alemu, T. (2004) Characterization of Viruses of Pepper (Capsicum spp.) and Sweetpotato (Ipomea batatas) from Ethiopia. Doctoral Dissertation, University of Bonn, Bonn, 126.
4. Sweetpotato (Ipomoea batatas L.) Leaf: Its Potential Effect on Human Health and Nutrition
5. Statistics, Research and Information Directorate of Ministry of Food and Agriculture (SRID) (2019) Facts and Figures 2018.