KOWZAN, Piotr. Editorial: The Cooperation of Unequals. Ars Educandi, [S. l.], n. 16, p. 5–9, 2019. Disponível em: https://czasopisma.bg.ug.edu.pl/index.php/arseducandi/article/view/9069. Acesso em: 15 maj. 2025.