Gómez Muñiz, Victor, and Joaquín García Andres. “Game-Based Learning? ‘Cathedral 1221’ As a Practical Example”. Clio. History and History Teaching, no. 48 (December 30, 2022): 70–91. Accessed December 7, 2025. https://papiro.unizar.es/ojs/index.php/clio/article/view/7292.