Othman Ali, Nur Hanis, RAHIM JAMIAN, and MOHD FUAD YASAK. “Encouraging Classroom Learning through Game-Based Learning (GBL) Approach”. Progress in Engineering Application and Technology 2, no. 1 (June 22, 2021): 787–798. Accessed June 30, 2022. https://publisher.uthm.edu.my/periodicals/index.php/peat/article/view/721.