KOŚCIELNY, T. 1st Pedagogical Symposium in Ląd (Higher Clerical Seminary of the Salesian Society, Ląd, June 21st, 2014) . Seminare. Learned Investigations, [S. l.], v. 36, n. 2, p. 233–234, 2022. DOI: 10.21852/sem.2015.2.19. Disponível em: https://czasopisma.uksw.edu.pl/index.php/s/article/view/10989. Acesso em: 19 may. 2024.