«A New Global Ethic»: A History of the United Nations International Environmental Education Program, 1975-1995. Foro de Educación, [S. l.], v. 18, n. 2, p. 83–108, 2020. DOI: 10.14516/fde.808. Disponível em: http://forodeeducacion.com/ojs/index.php/fde/article/view/54. Acesso em: 12 jan. 2025.