Armando Toda et al. 2019. Validating the Effectiveness of Data-Driven Gamification Recommendations: An Exploratory Study. In Proceedings of the 30th Brazilian Symposium on Computers in Education, November 11, 2019, Brasília/DF, Brasil. SBC, Porto Alegre, Brasil, 763-772. DOI: https://doi.org/10.5753/cbie.sbie.2019.763.