Ogendi, George Mokua. “Effects of Anthropogenic Activities on TheWater Quality of River Nyakomisaro-Riana, Kisii, Kenya”. European Journal of Applied Sciences 10, no. 5 (September 26, 2022): 171–190. Accessed May 30, 2026. https://scholarpublishing.org/journals/index.php/EJAS/article/view/8337.