E. Obuo, J., Okurut-Akol, J. R. Omadi, D. Okwang, and A. Eryenyu. “Yield Performance of Short Duration Pigeon Pea Cultivars in Northern and Eastern Uganda”. Uganda Journal of Agricultural Sciences, vol. 8, no. 10, Jan. 2003, pp. 131-4, http://journal.naro.go.ug/index.php/ujas/article/view/444.