JEJE, L.K.; OGUNKPOYA, O.O.; OLUWATIMILEHIN, J.M. The Geochemical Properties of Rural Rivers: The case of River Oni in Efon Alaaye Area of Central Western Nigeria. Ife Research Publications in Geography, [S. l.], v. 10, n. 1, p. 1–9, 2011. Disponível em: http://irpg.oauife.edu.ng/index.php/irpg/article/view/18. Acesso em: 15 jun. 2026.