@ARTICLE {UGBABE:2017, title = {Profitability and technical efficiency of soybean production in northern Nigeria}, author = {Ugbabe, O. O. * and Abdoulaye, T. and Kamara, A. and Mbaval, J. and Oyinbo, O. *}, journal = {Tropicultura}, year = {2017}, volume = {35}, number = {3}, pages = {203--214}, issn = {0771-3312}, note = {WAHub; CRP Grain Legumes; Soybean;}, }