Lorenzo Lacruz, Juan. “Pedagogical Renewal in Aragón: Case Study of the Pedagogical Renewal Movement ‘free classroom’ Between 1975 and 2012”. Tendencias Pedagógicas 27 (January 15, 2016): 201–230. Accessed October 28, 2025. https://revistas-new.uam.es/tendenciaspedagogicas/article/view/3011.