Maize-orange-fleshed sweetpotato intercropping: Potential for use to enhance food security and scaling-up the nutrition effort in Malawi. - Abidin, P.E.; Chipungu, Felistus P.; Nyekanyeka, T.; Chilanga, T.; Mwenye, O.; Kazembe, J; Botha, B.; Carey, E.E. (CAB International, 2015)