SIMIYU, G. .; TOLE, M. P. . pH and Variations of Concentrations of Some Heavy Metal Infiltration Ponds at Olkaria, Kenya. Africa Environmental Review Journal, [S. l.], v. 1, n. 1, p. Pg 1–14, 2004. DOI: 10.2200/aerj.v1i1.207. Disponível em: http://ojs.uoeld.ac.ke/index.php/aerj/article/view/207. Acesso em: 21 dec. 2024.