Mugambi, Victor, Vitalis Too, and George N. Mungai. “Evaluating the Effectiveness of Sugarcane Waste Biochar in the Purification of Greywater”. African Journal of Science, Technology and Social Sciences 4, no. 2 (December 4, 2025): PAS 81–92. Accessed December 14, 2025. http://41.89.229.52/index.php/AJSTSS/article/view/292.