@MANUAL {Hanna:2012,
title = {New cassava varieties for Cameroon: a technical guide},
author = {Hanna, R. and Njukwe, E. and Amah, D. and Tenkouano, A. and Dixon, A. and Nguekam, A. and Doumtsop, A. R. P. and Ngoko, Z. },
year = {2012},
note = {RTB; Root and Tuber; Cassava; Cassava Agronomy; Learning Material; 15p.},
}