Nurul Huda, Sheila, and Muhammad Fadillah Ramadhan. “Designing Educational Game to Increase Environmental Awareness”. International Journal of Emerging Technologies in Learning (iJET) 16, no. 15 (August 11, 2021): pp. 181–193. Accessed April 20, 2024. https://online-journals.org/index.php/i-jet/article/view/22661.