Araya-Castillo L, Escobar-Farfán M, Barrientos Oradini N. Strategic groups in the pension market and their relationship with their performance. Dempresarial [Internet]. 2017Jun.30 [cited 2024May3];15(2):87 - 102. Available from: http://ojs.uac.edu.co/index.php/dimension-empresarial/article/view/1305