Cardoso, E., Santos, D., Costa, D., Caçador, F., Antunes, A. & Ramos, R. (2017). Learning scorecard: monitor and foster student learning through gamification. In Ciancarini, P., Poggi, F., Horridge, M., Zhao, J., Groza, T., Suarez-Figueroa, M.C., d'Aquin, M., Presutti, V. (Ed.), Lecture Notes in Computer Science (pp. 55?68). Springer. https://doi.org/10.1007/978-3-319-58694-6_5