Offstein, Norman, and Carolina Aristizábal. “An Historical Review and Analysis of Colombian Guerrilla Movements: FARC, ELN and EPL”. Desarrollo y Sociedad 1, no. 52 (September 1, 2003): 99–142. Accessed March 13, 2026. https://revistas.uniandes.edu.co/index.php/dys/article/view/6507.