J. Fraile, P. Ruiz-Bravo, D. Zamorano-Sande, and D. Orgaz-Rincón, “Evaluación formativa, autorregulación, feedback y herramientas digitales: uso de Socrative en educación superior (Formative assessment, self-regulation, feedback and digital tools: use of Socrative in higher education)”, Retos, vol. 42, pp. 724–734, Oct. 2021, doi: 10.47197/retos.v42i0.87067.