KOVÁCS, Tamás; VÁRALLYAI, László. About Gamification & What Do We Use for Nowadays. International Journal of Engineering and Management Sciences, [S. l.], v. 3, n. 3, p. 171–180, 2018. DOI: 10.21791/IJEMS.2018.3.14. Disponível em: https://ojs.lib.unideb.hu/IJEMS/article/view/5043. Acesso em: 4 oct. 2024.