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. DOI: 10.64535/ijoru.v3i2.120. Disponível em: http://41.89.203.224/index.php/IJORU/article/view/120. Acesso em: 4 mar. 2026.