EZECHI, E. C.; NNADIKWE, G. A. Heavy Metals Contamination in Mmili Ocha River Sediments: Seasonal Variation, Ecological Risk, and Human Health Concerns. ChemSearch Journal, [S. l.], v. 17, n. 1, p. 35–49, 2026. Disponível em: https://www.ajol.info/index.php/csj/article/view/331072. Acesso em: 10 aug. 2026.