Hitila, Markus V., and Sylvanus A. Onjefu. “Radiological Risk Assessment of Technologically Enhanced Naturally Occurring Radioactive Materials in Coal Wastes from Van Eck Coal-Fired Thermal Power Plant, Namibia”. Namibian Journal for Research, Science and Technology 3, no. 1 (July 20, 2022): 21–29. Accessed November 6, 2025. https://njrst.ncrst.na/index.php/njrst/article/view/45.