Kehail, mutaman A, Abdalla I. Abdalla, & Hufsa Ebrahim Musa Abdelah. " Effect of Aqueous Extract of Cathedral Cactus (Euphorbia trigona Mill) on Larvae of Anopheles arabiensis (Diptera: Culicidae)." Gezira Journal of Health Sciences [Online], 12.2 (2016): n. pag. Web. 18 Sep. 2019