Bigirwa, G., K. F. Cardwell, T. Sengooba, D. T. Kyetere, A. Nakayima, and S. B. Kaboyo. 2001. “Gray Leaf Spot Disease in Uganda”. Uganda Journal of Agricultural Sciences 6 (1):43-46. http://journal.naro.go.ug/index.php/ujas/article/view/421.