FRED, K. S. .; FAITH, J. C. .; JOHN, L. K. .; PROVIDENCE, K. .; JUSTIN, M. . NUTRIENT POLLUTANT LOADS AND THEIR EFFECTS ON WATER QUALITY OF PERKERRA RIVER, BARINGO COUNTY, KENYA. East African Journal of Pure and Applied Sciences, [S. l.], v. 2, p. Pg 74–85, 2009. Disponível em: http://ojs.uoeld.ac.ke/index.php/eapas/article/view/236. Acesso em: 3 apr. 2025.