SZWARC, A. . Wstęp. Acta Universitatis Nicolai Copernici Pedagogika, [S. l.], v. 41, n. 1, p. 7–9, 2021. Disponível em: https://apcz.umk.pl/AUNC_PED/article/view/36234. Acesso em: 3 lip. 2024.