@BOOK {BADU-APRAKU:2007g, title = {Demand-driven technologies for sustainable maize production in west and central Africa: proceedings of the fifth biennial regional maize workshop, 3-6 may 2005, IITA- Cotonou, Benin}, author = {Badu-Apraku, B. and Fakorede, M. and Fontem Lum, A. and Menkir, A. and Quedrago, M. }, year = {2007}, publisher = {International Institute of Tropical Agriculture (IITA); West and Central Africa Collaborative Maize Research Network (WECAMAN)}, address = {Ibadan, Nigeria}, note = {IITA Technologies}, }