NIEWĘGŁOWSKI, J. The First Congress of Salesian Research Workers (Niepokalanów, October 4th–6th, 2013). Seminare. Learned Investigations, [S. l.], v. 35, n. 3, p. 219–222, 2022. DOI: 10.21852/sem.2014.3.14. Disponível em: https://czasopisma.uksw.edu.pl/index.php/s/article/view/11099. Acesso em: 19 may. 2024.