Mohammed ELKheir, Mustafa Siddig, Hatil Hashim EL-Kamali, Mutiaa Ahmed Nashir, and Abdel Gawi EL-Fageeh. “Study of Physico-Chemical Parameters of Drinking and Waste Waters in Central Mountains in WadiMaytum, Ieb District , Yemen.”. Journal of The Faculty of Science and Technology, no. 6 (January 12, 2021): 25 - 32. Accessed April 30, 2026. https://journal.oiu.edu.sd/index.php/JFST/article/view/600.