WIERCIŃSKI, Andrzej. Introduction. Studia Paedagogica Ignatiana, [S. l.], v. 18, p. 9–14, 2015. DOI: 10.12775/9149. Disponível em: https://apcz.umk.pl/SPI/article/view/9149. Acesso em: 22 sty. 2025.