BIEŚ, Andrzej Paweł. Wprowadzenie. Studia Paedagogica Ignatiana, [S. l.], v. 21, n. 2, p. 9–11, 2018. DOI: 10.12775/17606. Disponível em: https://apcz.umk.pl/SPI/article/view/17606. Acesso em: 29 cze. 2025.