Parra, Sergio Arturo Sánchez. “Cultural Roots of University Political Radicalism. The Case of the Patients of the UAS: 1972-1978”. Revista Historia de la Educación Latinoamericana 15, no. 21 (April 15, 2014): 161–190. Accessed April 10, 2025. https://revistas.uptc.edu.co/index.php/historia_educacion_latinamerican/article/view/2470.