[1]
D. M. Portillo Melo, F. B. Enriquez Guerra, and J. C. Riascos Hermoza, “Economic Factors that Affect the Technical Efficiency Index of the Public Hospitals of the State of Nariño -Colombia 2008-2014”, Apuntes CENES, vol. 38, no. 67, pp. 193–225, Feb. 2019.