Callarisa Mas, Joan, and Margarita Guinó Arias. “Reporters of History: Gamification Within the Framework of an Interdisciplinary Project in a Multigrade Classroom of Primary School”. Clio. History and History Teaching, no. 48, Dec. 2022, pp. 160-81, https://doi.org/10.26754/ojs_clio/clio.2022487223.