Tarus , S. J., L. J. Kituyi, and F. K. Segor. “Pesticide Residue Levels in Nzoia River Catchment Area”. Journal of Aquatic and Terrestrial Ecosystems, vol. 1, no. 1, June 2023, pp. 22-34, doi:10.69897/jatems.v1i1.21.