"Leaf Blight: A New Disease of Xanthium Strumarium Caused by Exserohilum Rostratum in Sudan". University of Khartoum Journal of Agricultural Sciences 17, no. 3 (مارس 28, 2023). تاريخ الوصول مايو 25, 2026. https://onlinejournals.uofk.edu/uofkjas/article/view/1949.