Kafumu, Dalaly. “The Geochemical Compositions and Origin of Sand Dunes in the Olduvai Gorge–Eastern Serengeti Plains, Northern Tanzania”. Tanzania Journal of Science 46, no. 2 (June 30, 2020): 241–253. Accessed July 19, 2024. http://tjs.udsm.ac.tz/index.php/tjs/article/view/91.