Pinzón Botero, María, and Stephany Villota Ortiz. “The Potential Market for Sustainable Housing under the Contingent Valuation Method. City of Palmira”. Cuadernos de Administración 35, no. 65 (August 5, 2019): 45-59. Accessed May 26, 2020. http://cuadernosdeadministracion.univalle.edu.co/index.php/cuadernos_de_administracion/article/view/7247.