MIELCZAREK, Artur W. Education for sustainable development in primary school. Studia Ecologiae et Bioethicae, [S. l.], v. 8, n. 2, p. 187–199, 2010. DOI: 10.21697/seb.2010.8.2.13. Disponível em: https://czasopisma.uksw.edu.pl/index.php/seb/article/view/9474. Acesso em: 6 dec. 2025.