Salazar Guatibonza, Flor Esther. “Real Returns of Private Pension Funds in Colombia”. Cuadernos de Administración 35, no. 63 (March 27, 2019): 70–88. Accessed June 30, 2022. https://cuadernosdeadministracion.univalle.edu.co/index.php/cuadernos_de_administracion/article/view/6139.