Surmont, J., Caira, T., Struys, E. & Meuleman, E., 24 mei 2022, Handbook of Research on International Approaches and Practices for Gamifying Mathematics. Huertas-Abril, C. A., Fernandez-Ahumada, E. & Adamuz-Povedano, N. (redactie). IGI Global, blz. 46-66