SANDNER, J. Problems of holistic nature education in sustainable development concepts. Studia Ecologiae et Bioethicae, [S. l.], v. 5, n. 1, p. 325–333, 2007. DOI: 10.21697/seb.2007.5.1.22. Disponível em: https://czasopisma.uksw.edu.pl/index.php/seb/article/view/7639. Acesso em: 23 nov. 2024.