ŚWIDA, A. Managing the Spiritual Development of Young People in the Preventive Pedagogy of St. John Bosco. Seminare. Learned Investigations, [S. l.], v. 2, p. 137–155, 1977. DOI: 10.21852/sem.1977.07. Disponível em: https://czasopisma.uksw.edu.pl/index.php/s/article/view/13785. Acesso em: 22 jul. 2024.