BOENZI, Joseph. Don Bosco and the Conditions of Pre-industrial Youth in His Times. Seminare. Studies in Youth and Society, [S. l.], v. 36, n. 1, p. 15–27, 2022. DOI: 10.21852/sem.2015.1.02. Disponível em: https://czasopisma.uksw.edu.pl/s/article/view/10999. Acesso em: 15 nov. 2026.