@PHDTHESIS {OJIAKO:2006a, title = {Economic evaluation of adoption of improved soybean production and utilization technologies in Kaduna and Kano States Nigeria: PhDthesis}, author = {Ojiako, I. A. }, year = {2006}, month = {January}, type = {A thesis submitted to the Faculty of Agriculture and Forestry in partial fulfilment of the requirements for the award of the degree of Doctor of Philosophy in Agricultural Economics of the University of Ibadan}, school = {University of Ibadan}, address = {Ibadan, Nigeria}, note = {227p. Table of content attached}, }