@BOOK {DUGJE:2009, title = {Farmers' guide to soybean production in northern Nigeria}, author = {Dugje, I. * and Omoigui, L. and Ekeleme, F. and Bandyopadhyay, R. and Kumar, P. L. and Kamara, A. }, year = {2009}, publisher = {International Institute of Tropical Agriculture (IITA)}, address = {Ibadan, Nigeria}, isbn = {978-131-333-1}, note = {CRP Grain Legumes; Soybean; 21p.}, }