Ariza, John, and Floro Alexander Retajac. “Composition and Evolution of the Labor Informality in Colombia During 2009-2019”. Apuntes del Cenes 40, no. 72 (July 25, 2021): 115–148. Accessed December 21, 2024. https://revistas.uptc.edu.co/index.php/cenes/article/view/12598.