MADER, Sebastian; BRY, François. Fun and Engagement in Lecture Halls through Social Gamification. International Journal of Engineering Pedagogy (iJEP), [S. l.], v. 9, n. 2, p. pp. 117–136, 2019. DOI: 10.3991/ijep.v9i2.10163. Disponível em: https://online-journals.org/index.php/i-jep/article/view/10163. Acesso em: 4 may. 2024.