P SINGH; A NEL. The use of bioassays to assess the toxicity of sediment in an acid mine drainage impacted river in Gauteng (South Africa). Water SA, [S. l.], v. 43, n. 4 October, 2017. DOI: 10.4314/wsa.v43i4.15. Disponível em: https://watersa.net/article/view/10604. Acesso em: 6 may. 2024.