Parra-Dussan, Carlos, and Alejandro Quintero-Romero. “The Vital Minimum and the Rights of the Elderly”. Estudios Socio-Jurídicos, vol. 9, no. Especial, Mar. 2010, pp. 236-61, https://revistas.urosario.edu.co/index.php/sociojuridicos/article/view/462.