Rodrigues, Luiz, Armando M. Toda, Wilk Oliveira, Paula T. Palomino, and Seiji Isotani. "Just beat it: Exploring the influences of competition and task-related factors in gamified learning environments." Anais do XXXI Simpósio Brasileiro de Informática na Educação, Online, 2020. SBC, 2020, pp.461-470.