NIEWĘGŁOWSKI , J. The Salesian Society in the Face of Educational Challenges in the Years 1918-1939. Seminare. Learned Investigations, [S. l.], v. 36, n. 1, p. 151–162, 2022. DOI: 10.21852/sem.2015.1.12. Disponível em: https://czasopisma.uksw.edu.pl/index.php/s/article/view/11012. Acesso em: 19 may. 2024.