TYSON, B. Regional issues in environmental education. Southern African Journal of Environmental Education, [S. l.], v. 14, p. 10–19, 2016. DOI: 10.4314/sajee.v14i0.137481. Disponível em: https://www.ajol.info/index.php/sajee/article/view/137481. Acesso em: 29 sep. 2026.