“En el centenario de la ‘Rerum Novarum’”, Rev.Univ.Pontif.Boliv., vol. 40, no. 133, pp. 7–8, Aug. 2020, Accessed: Apr. 11, 2025. [Online]. Available: https://revistas.upb.edu.co/index.php/revista-institucional/article/view/2366