BRITTO-AGUDELO, R. A.; BUITRAGO-SUESCÙN, O. Y.; PUERTO-SUAREZ, J. D.; RAMÌREZ, J. C. Relative efficiency in government environmental entities: en evaluation of the regional autonomous corporations (CAR) of colombia. Ingenieria y Universidad, [S. l.], v. 17, n. 1, p. 205-224, 2013. DOI: 10.11144/Javeriana.iyu17-1.rege. Disponível em: https://revistas.javeriana.edu.co/index.php/iyu/article/view/1720. Acesso em: 25 jul. 2021.