Delgado Gaona, Juan Camilo. 2021. “90 Years Fighting and Resisting at the Oil Port. Brief History of the Partido Comunista Colombiano in Barrancabermeja (1930-2020)”. Cambios Y Permanencias 12 (2):348-91. https://revistas.uis.edu.co/index.php/revistacyp/article/view/12839.