WOLTER, Edyta. Education for environmental protection in the Second Republic of Poland (1918-1939) as the inspiration for teachers taking care for the youths. Quarterly Journal Fides et Ratio, [S. l.], v. 37, n. 1, p. 18–33, 2019. DOI: 10.34766/fetr.v1i37.35. Disponível em: https://fidesetratio.com.pl/ojs/index.php/FetR/article/view/30. Acesso em: 9 aug. 2025.