GRANGE, G. The more important sources of air pollution in the Republic of South Africa and the most recent control policies adopted by the authorities. Clean Air Journal, [S. l.], v. 8, n. 4, 1991. DOI: 10.17159/caj/1991/8/4.7306. Disponível em: https://cleanairjournal.org.za/article/view/7306. Acesso em: 3 may. 2024.