[1]
R. A. Britto-Agudelo, O. Y. Buitrago-Suescùn, J. D. Puerto-Suarez, and J. C. Ramìrez, “Relative efficiency in government environmental entities: en evaluation of the regional autonomous corporations (CAR) of colombia”, IyU, vol. 17, no. 1, pp. 205-224, Apr. 2013.