OFORI, V. A. .; AMA, J. . Potability assessment of some springs, boreholes and sachet water products in four-corners, Ikom Local Government Area, Cross River State, Nigeria. Tropical Freshwater Biology, [S. l.], v. 30, n. 1, p. 79–91, 2022. DOI: 10.4314/tfb.v30i1.7. Disponível em: https://www.ajol.info/index.php/tfb/article/view/226597. Acesso em: 14 oct. 2026.