@MANUAL {TARAWALI:2013, title = {A comprehensive training module on competitive cassava production}, author = {Tarawali, G. and Ilona, P. and Ojiako, I. A. and Iyangbe, C. and Ogundijo, S. D. and Asumugha, G. * and Udensi, U. }, year = {2013}, note = {RTB; Root and Tuber; Cassava; Cassava Agronomy; Learning Material; 40p.}, }