@ARTICLE {OJIAKO:2008, title = {Typology of households adopting improved soybean technology: an application of the discriminant analysis model in northern Nigeria}, author = {Ojiako, I. A. and Manyong, V. and Ikpi, A. *}, journal = {Journal of Agricultural and Food Economics}, year = {2008}, volume = {3}, number = {1-2}, pages = {31--42}, }