VALENCIA GUTIÉRREZ, Alberto. On “Even silence has an end” by Ingrid Betancourt. Sociedad y Economía, [S. l.], v. 1, n. 20, p. 315–318, 2011. DOI: 10.25100/sye.v0i20.4071. Disponível em: https://ojs.h-novigo.com/index.php/sociedad_y_economia/article/view/4071. Acesso em: 19 jan. 2025.