DEMEL, Maciej. Pedagogika zdrowia. Chowanna, [S. l.], v. 1, n. 18, p. 13–26, 2002. DOI: 10.31261/CHOWANNA.2002.18.02. Disponível em: https://journals.us.edu.pl/index.php/CHOWANNA/article/view/19519. Acesso em: 4 luty. 2026.