Sierra-Tapiro, Juan Pablo. “Validity of the Class Struggle, the Process of Peace in Colombia, and Challenges to Social Work”. Prospectiva. Revista de Trabajo Social e Intervención Social, no. 22 (October 30, 2016): 229–260. Accessed February 28, 2026. https://revistaprospectiva.univalle.edu.co/index.php/prospectiva/article/view/1243.