SANDNER, J. Selected problems of environmental education in a holistic view of sustainable development. Studia Ecologiae et Bioethicae, [S. l.], v. 8, n. 1, p. 143–156, 2010. DOI: 10.21697/seb.2010.8.1.12. Disponível em: https://czasopisma.uksw.edu.pl/index.php/seb/article/view/3056. Acesso em: 22 nov. 2024.