Mudzielwana, Rabelani, Mugera W. Gitari, and Titus A.M. Msagati. “Characterisation of Smectite-Rich Clay Soil: Implication for Groundwater Defluoridation”. South African Journal of Science 112, no. 11/12 (November 24, 2016): 8. Accessed November 22, 2024. https://sajs.co.za/article/view/3681.