GOCKO, Jerzy Eugeniusz; CENTNAR , Paweł. Spiritual Direction in the Life of St. John Bosco. Seminare. Studies in Youth and Society, [S. l.], v. 36, n. 1, p. 67–78, 2022. DOI: 10.21852/sem.2015.1.05. Disponível em: https://czasopisma.uksw.edu.pl/s/article/view/11002. Acesso em: 15 nov. 2026.