@MANUAL {ADEKUNLE:2005b, title = {Growing soybean commercially in Nigeria: a training manual}, author = {Adekunle, A. and Chovwen, A. E. and Fatunbi, A. O. }, year = {2005}, organization = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, note = {Learning Material. Manual.}, }