GOCKO, J. E.; CENTNAR , P. Spiritual Direction in the Life of St. John Bosco. Seminare. Learned Investigations, [S. l.], v. 36, n. 1, p. 67–78, 2022. DOI: 10.21852/sem.2015.1.05. Disponível em: https://czasopisma.uksw.edu.pl/index.php/s/article/view/11002. Acesso em: 2 oct. 2024.