BIEL, Krzysztof. Introduction. Studia Paedagogica Ignatiana, [S. l.], v. 23, n. 3, p. 9–11, 2020. DOI: 10.12775/32319. Disponível em: https://apcz.umk.pl/SPI/article/view/32319. Acesso em: 28 cze. 2025.