H WANKE; JS UELAND; MHT HIPONDOKA. Spatial analysis of fluoride concentrations in drinking water and population at risk in Namibia. Water SA, [S. l.], v. 43, n. 3 July, 2017. DOI: 10.4314/wsa.v43i3.06. Disponível em: https://watersa.net/article/view/10615. Acesso em: 5 may. 2024.