Gómez-Maturano, Ricardo, and Concepción Alvarado-Rosas. “Physical-Material Fragmentation and Gated Communities in the Metropolitan Area of Queretaro-Mexico”. Prospectiva. Revista De Trabajo Social E Intervención Social, no. 21, Apr. 2016, pp. 57-76, https://doi.org/10.25100/prts.v0i21.920.