K. E, L.; J. O, N.; A.W, V. EVALUATION OF WATER QUALITY INDEX OF THE BRASS RIVER, BAYELSA STATE, SOUTH-SOUTH, NIGERIA. International Journal of Research -GRANTHAALAYAH, [S. l.], v. 5, n. 8, p. 277–287, 2017. DOI: 10.29121/granthaalayah.v5.i8.2017.2233. Disponível em: https://www.granthaalayahpublication.org/journals/granthaalayah/article/view/IJRG17_A08_601. Acesso em: 18 may. 2024.