GRIFFIN, Neil J. The rise and fall of dissolved phosphate in South African rivers. South African Journal of Science, [S. l.], v. 113, n. 11/12, p. 7, 2017. DOI: 10.17159/sajs.2017/20170020. Disponível em: https://sajs.co.za/article/view/3868. Acesso em: 27 apr. 2024.