Ochieng, J. K., Olal, F. O. and Anino, E. (2025) “PRESENCE OF ILLICIT DRUG METABOLITES IN THE INFLUENT OF A WASTEWATER TREATMENT PLANT IN ELDORET, KENYA”, International Research Journal of Rongo University, 3(2), pp. 14–26. doi: 10.64535/ijoru.v3i2.120.