Okeyo, Daniel O., Martha M. Kashea, and Lineekela Kandjengo. “ 1839) of the Cuvelai Drainage System in Northern Namibia”. International Science and Technology Journal of Namibia (March 27, 2015): 062–071. Accessed July 3, 2024. https://journals.unam.edu.na/index.php/ISTJN/article/view/1166.