Nyabaro , Obed M., Titus M. Muthoka, and Douglas Mosoti. “ Determination of the Pollution Levels of Waste Water from Nakuru Tanners, Kenya ”. African Journal of Education,Science and Technology (AJEST) 1, no. 2 (January 9, 2025): Pg 193–206. Accessed April 3, 2026. http://ajest.org/index.php/ajest/article/view/338.