"A Note on the Incidence of Bacillus Thuringiensis in Fruit Fly Larvae in the Sudan". University of Khartoum Journal of Agricultural Sciences 18, no. 2 (ديسمبر 17, 2025). تاريخ الوصول مايو 25, 2026. https://onlinejournals.uofk.edu/uofkjas/article/view/1969.