JAKUBIAK, Krzysztof; PRÓSINOWSKI, Piotr. Wprowadzenie. Ars Educandi, [S. l.], v. 17, n. 17, p. 5–7, 2020. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/arseducandi/article/view/9062. Acesso em: 8 kwi. 2025.