AZWIFANELI MULOVHEDZI; SURINA ESTERHUYSE. Groundwater resources monitoring during unconventional oil and gas extraction: South African laboratory analytical capabilities. Water SA, [S. l.], v. 47, n. 3 July, 2021. DOI: 10.17159/wsa/2021.v47.i3.11859. Disponível em: https://watersa.net/article/view/11859. Acesso em: 24 oct. 2021.