CASTILLO VALENCIA, M. del P.; CRUZ GARCÍA, N. How efficient are organizations for protection of internally displaced people?. Sociedad y Economía, [S. l.], n. 16, p. 35–50, 2011. Disponível em: https://sociedadyeconomia.univalle.edu.co/index.php/sociedad_y_economia/article/view/4075. Acesso em: 18 may. 2024.