CHEN, P. .; KUO, R. .; CHANG, M. .; HEH, J.-S. The effectiveness of using in-game cards as reward. Research and Practice in Technology Enhanced Learning, [S. l.], v. 12, 2017. DOI: 10.58459/rptel.2017.12%p. Disponível em: https://rptel.apsce.net/index.php/RPTEL/article/view/2017-12015. Acesso em: 18 aug. 2025.