Pérez Valbuena, Gerson Javier. “Geographical Accessibility to Health Services: A Case Study for Barranquilla”. Sociedad y Economía, no. 28 (January 15, 2015): 181–208. Accessed November 22, 2024. https://sociedadyeconomia.univalle.edu.co/index.php/sociedad_y_economia/article/view/3935.