Herrera, Julián Augusto Casas, and José Mauricio Gil León. “Empirical Evidence of the Theory of Consumption for Colombia 2000-2010”. Apuntes del Cenes 30, no. 52 (December 5, 2011): 59–86. Accessed April 18, 2024. https://revistas.uptc.edu.co/index.php/cenes/article/view/25.