GONZALEZ-GAUDIANO, E. Think Piece. Education, Environment and Sustainability. Southern African Journal of Environmental Education, [S. l.], v. 24, p. 97–107, 2007. DOI: 10.4314/sajee.v24i0.122744. Disponível em: https://www.ajol.info/index.php/sajee/article/view/122744. Acesso em: 30 sep. 2026.