Mat Napes, Marlina, and Aisyah Mohamad Sharif. “A Needs Analysis for The Game-Based Learning Tools Development for Form Four Chemistry Subject: Analisis Keperluan Untuk Pembangunan Alat Pembelajaran Berasaskan Permainan Bagi Subjek Kimia Tingkatan Empat”. Journal of Science and Mathematics Letters 10 (April 20, 2022): 1–11. Accessed April 20, 2024. https://ejournal.upsi.edu.my/index.php/JSML/article/view/6771.