Onesmus Nzung’a, Sila, Kotut Kiplagat, and Okemo Paul. “TECHNIQUES FOR POTABLE WATER TREATMENT USING APPROPRIATE LOW COST NATURAL MATERIALS IN THE TROPICS”. Journal of microbiology, biotechnology and food sciences 2, no. 5 (April 1, 2013): 2294–2300. Accessed December 22, 2024. https://office2.jmbfs.org/index.php/JMBFS/article/view/7111.