Toda, Armando, 		Palomino, Paula, 		Rodrigues, Luiz, 		Oliveira, Wilk, 		Shi, Lei, 		Isotani, Seiji, AND 		Cristea, Alexandra.
" Validating the Effectiveness of Data-Driven Gamification Recommendations: An Exploratory Study" <em>Proceedings of the Brazilian Symposium on Computers in Education (SBIE)</em> [Online], (11 November 2019)