Mejía, Javier. “Reconstruction of Regional GDP in Colombia (1800-2015): A Critical Revision of Sources and Methods”. Sociedad y Economía, no. 30 (March 7, 2016): 305–334. Accessed April 30, 2024. https://sociedadyeconomia.univalle.edu.co/index.php/sociedad_y_economia/article/view/3910.