Minja, R. 2019. Practical Approach for Removal of Natural Organic Matter and defluoridation of Maji ya Chai river Water: Use of Acid Pre-treated Bone Char and Coagulants. Tanzania Journal of Engineering and Technology. 38, 2 (Dec. 2019), 204-206. DOI:https://doi.org/10.52339/tjet.v38i2.505.