Abaca, A., S. R. Kawuki, P. Tukamuhubwa, Y. Baguma, A. Pariyo, J. Orone, T. Alicai, A. Bua, and C. A. Omongo. “Progression of Cassava Brown Streak Disease (CBSD) in Infected Cassava Roots in Uganda”. Uganda Journal of Agricultural Sciences, vol. 13, no. 1, Mar. 2012, pp. 45-51, http://journal.naro.go.ug/index.php/ujas/article/view/327.