YAWO, Okwet; INYANG, Ephraim; AKPAN, Ita. Application of pollution indices in estimating the toxicity of heavy metals in sediments of Okoro River in Eastern Obolo, Southeastern Nigeria. Researchers Journal of Science and Technology, [S. l.], v. 2, n. 1, p. 1–17, 2022. Disponível em: https://rejost.com.ng/index.php/home/article/view/11. Acesso em: 15 may. 2024.