Navarro España, J., Maza Ávila, F., & Viana Barceló, R. (2011). The efficiency of Colombian hospitals in the Latin American context. An application of Data Envelopment Analysis (DEA) in a group of complex surgeries hospitals, 2009. Ecos De Economía, 15(33), 71–93. Retrieved from https://publicaciones.eafit.edu.co/index.php/ecos-economia/article/view/449