Sinja, J., J. Karugia, M. Waithaka, D. Maino, I. Baltenweck, S. Franzel, R. Nyikal, and D. Romney. 2004. “Adoption of Fodder Legumes Technology through Farmer-to-Farmer Extension Approach”. Uganda Journal of Agricultural Sciences 9 (1):222-26. http://journal.naro.go.ug/index.php/ujas/article/view/220.