Sankei , R., J. Khanzenzi, and G. Simiyu. “Influence of Agricultural and Agro-Industrial Activities on Nutrient Dynamics and Water Quality in River Keyian, Kenya”. Journal of Aquatic and Terrestrial Ecosystems, vol. 4, no. 2, July 2026, pp. 32-46, doi:10.69897/jatems.v4i2.373.