ABDUL MANAF, Muhammad Munif; ISMAIL, Azniah. 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://ejournal.upsi.edu.my/index.php/JICTIE/article/view/6125. Acesso em: 14 may. 2025.