ARENAS, M. Begoña; ZARKA, Dénes. Good practices and recommendations to Enhancing Education with Gamified Open Badges. Opus et Educatio, [S. l.], v. 12, n. 1, 2025. 10.3311/ope.40558. Disponível em: https://journals.bme.hu/oee/article/view/40558. Acesso em: 2 jun. 2025.