BALLOT, J.S. Integrated environmental management - an industry perspective. Clean Air Journal, [S. l.], v. 8, n. 8, 1993. DOI: 10.17159/caj/1993/8/8.7318. Disponível em: https://cleanairjournal.org.za/article/view/7318. Acesso em: 23 apr. 2024.