J. D. . Velásquez Monsalve, “Natural law in the universal declaration of human rights”, Rev. Facultad Derecho Cienc. Políticas, vol. 43, no. 119, pp. 735–772, Dec. 2013, Accessed: Jul. 22, 2026. [Online]. Available: https://revistas.upb.edu.co/index.php/derecho/article/view/3295