J. J. Etxeberría Sagastume, “Deontology of the Minister of the Sacrament of Penance. Sacramental Seal and Penitential Secret”, EC, vol. 85, no. 335, pp. 769–786, Dec. 2017, Accessed: Jul. 05, 2026. [Online]. Available: https://revistas.comillas.edu/estudioseclesiasticos/article/view/8278