FONTALVO HERRERA, T. J. Efficiency of the subsidized regime entities in Colombia by means of data envelopment analysis. Universidad y Salud, San Juan de Pasto, CO, v. 16, n. 1, p. 33–44, 2014. Disponível em: https://revistas.udenar.edu.co/index.php/usalud/article/view/2372. Acesso em: 3 jul. 2024.