Fraile, Juan, et al. “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, Oct. 2021, pp. 724-3, https://doi.org/10.47197/retos.v42i0.87067.