@ARTICLE {NTHONYIWA:2009, title = {Cassava and sweetpotato for food security in Malawi}, author = {Nthonyiwa, A. and Ntawuruhunga, P. and Mhone, A. and Moyo, C. and Sandifolo, V. }, journal = {Roots Newsletter}, year = {2009}, volume = {12}, number = {1}, pages = {10--11}, note = {RTB; Root and Tuber; Sweetpotato}, }