Mndolwa, Brenda A., and Felix W. Mtalo. “Effects of Calcination Temperature of Naturally Occurring Absorbents on Drinking Water Defluoridation”. Tanzania Journal of Engineering and Technology 39, no. 2 (February 2, 2021). Accessed December 4, 2024. https://journals.udsm.ac.tz/index.php/tjet/article/view/3822.