PEDEN, M. Education for Sustainable Development: Knowledge and environment in South African schooling. Southern African Journal of Environmental Education, [S. l.], v. 25, p. 13–24, 2008. DOI: 10.4314/sajee.v25i0.122757. Disponível em: https://www.ajol.info/index.php/sajee/article/view/122757. Acesso em: 8 nov. 2026.