MIELCZAREK, A. W. Education for balanced development in integrated primary school. Studia Ecologiae et Bioethicae, [S. l.], v. 6, n. 1, p. 405–419, 2008. DOI: 10.21697/seb.2008.6.1.28. Disponível em: https://czasopisma.uksw.edu.pl/index.php/seb/article/view/7567. Acesso em: 20 may. 2024.