Mandevhu, S.M, A. Vatuva, and S. Kahovera. 2020. “Distribution and Occurrence of Lithium-Bearing Minerals in the Helikon Pegmatites in Karibib, Namibia.”. Namibian Journal for Research, Science and Technology 2 (1):90-100. https://doi.org/10.54421/njrst.v2i1.22.