1. Arnab, S., Berta, R., Earp, J., De Freitas, S., Popescu, M., Romero, M., Popescu, M., Stefan, I. A., & Usart, M. (2012). Framing the adoption of serious games in formal education. Electronic Journal of e-Learning, 10(2), 159-171.
2. Barbieri, G., Barbieri, R., & Capone, R. (2019). I serious games per una didattica della matematica inclusiva [Serious games for inclusive mathematics education]. Quaderni di Ricerca in Didattica, 2, 95-96.
3. Bellotti, F., Berta, R., & De Gloria, A. (2010). Designing effective serious games: Opportunities and challenges for research. International Journal of Emerging Technologies in Learning, 5(SI3), 22-34. https://doi.org/10.3991/ijet.v5s3.1500
4. Beutner, M., & Pechuel, R. (2018). Game-based learning for teachers-A journey through a world of new ideas. Game on Consortium and Ingenious Knowledge GmbH.
5. Brom, C., Sisler, V., & Slavík, R. (2010). Implementing digital game-based learning in schools: augmented learning environment of `Europe 2045’. Multimedia Systems, 16(1), 23-41. https://doi.org/10.1007/s00530-009-0174-0