Britto-Agudelo, Rodrigo Alberto, Oscar Yecid Buitrago-Suescùn, Julian David Puerto-Suarez, and Julio Cesar Ramìrez. “Relative Efficiency in Government Environmental Entities: En Evaluation of the Regional Autonomous Corporations (CAR) of Colombia”. Ingenieria y Universidad 17, no. 1 (April 17, 2013): 205–224. Accessed September 30, 2022. https://revistas.javeriana.edu.co/index.php/iyu/article/view/1720.