MALONEY, Robert. “Gratis” –  A Refrain in Vincent’s Writings –. Studia Vincentiana, Indonesia, v. 4, n. 2, p. 138–150, 2026. DOI: 10.35312/nbafgn29. Disponível em: https://vincentiana.org/sv/article/view/82.. Acesso em: 11 sep. 2026.