OCHIENG, J. K.; OLAL, F. O.; ANINO, E. PRESENCE OF ILLICIT DRUG METABOLITES IN THE INFLUENT OF A WASTEWATER TREATMENT PLANT IN ELDORET, KENYA. International Research Journal of Rongo University, [S. l.], v. 3, n. 2, p. 14–26, 2025. Disponível em: http://journals.rongovarsity.ac.ke/index.php/IJORU/article/view/120. Acesso em: 17 nov. 2025.