Yohana, L., and D.A. Mashauri. “Potential Use of Water Guard As a Disinfectant for Domestic Water Use”. Tanzania Journal of Engineering and Technology 31, no. 2 (December 31, 2008): 62-69. Accessed November 22, 2024. https://tjet.udsm.ac.tz/index.php/tjet/article/view/431.