FRESNEDA BAUTISTA, O. Evolution of the social classes’ structure in Colombia, 1938-2010. Have the middle classes grown?. Sociedad y Economía, [S. l.], n. 33, 2017. DOI: 10.25100/sye.v0i33.5630. Disponível em: https://sociedadyeconomia.univalle.edu.co/index.php/sociedad_y_economia/article/view/5630. Acesso em: 19 apr. 2024.