ABDUL MANAF, M. M.; ISMAIL, A. 2A4U: A Visual Reward System Development. Journal of ICT in Education, [S. l.], v. 8, n. 3, p. 1–12, 2021. DOI: 10.37134/jictie.vol8.sp.1.1.2021. Disponível em: https://ojs.upsi.edu.my/index.php/JICTIE/article/view/6125. Acesso em: 15 apr. 2024.