@ARTICLE {KORMAWA:2004, title = {Factors influencing farmer-to-farmer transfer of an improved cowpea variety in Kano State, Nigeria}, author = {Kormawa, P. and Ezedinma, C. and Singh, B. }, journal = {Journal of Agriculture and Rural Development in the Tropics and Subtropics}, year = {2004}, volume = {105}, number = {1}, pages = {1--13}, issn = {1612-9830}, }