Informalidad laboral en Tunja 2008 y 2015. In Vestigium Ire, [S. l.], v. 12, n. 2, p. 14–33, 2019. Disponível em: https://revistas.santototunja.edu.co/index.php/ivestigium/article/view/1718. Acesso em: 18 jul. 2026.