Zárate-Rueda, Ruth, and Cesar Moreno. “From Social Mobilizations to Collective Actions for Peace, Barrancabermeja Case 1970-2000”. Prospectiva. Revista de Trabajo Social e Intervención Social, no. 12 (October 1, 2007): 251–272. Accessed January 14, 2026. https://revistaprospectiva.univalle.edu.co/index.php/prospectiva/article/view/963.