@MANUAL {IBIKUNLE:2005a, title = {Growing maize commercially in Nigeria: a training manual}, author = {Ibikunle, O. and Adekunle, A. and Fatunbi, A. O. }, year = {2005}, note = {Maize; Maize Agronomy; Learning Material; ISBN: 978-131-257-2; 20p.}, }