Czerny, Mirosława. “The Permanence of Socio-Economically Marginal Structures Within Urban Space: The Example of Bogotá”. Quaestiones Geographicae 30, no. 4 (December 21, 2011): 47–54. Accessed May 5, 2024. https://pressto.amu.edu.pl/index.php/qg/article/view/v10117-011-0037-6.