Sulong, Azia, Abu Bakar Ibrahim, Ashardi Abas, and Amal Zunnairah Abu Bakar. “Incorpating Gamification in a Flipped Classroom Approach: A Review of Literature”. Jurnal Pendidikan Bitara UPSI 14 (April 28, 2021): 22–32. Accessed November 22, 2024. https://ojs.upsi.edu.my/index.php/JPB/article/view/5103.