Dio Alif Airlangga Daulay, Iman Sulaiman, and Fatah Nurdin. “GAME-BASED BACKHAND TENNIS TECHNIQUE LEARNING MODEL TO IMPROVE LEARNING OUTCOMES”. Gladi : Jurnal Ilmu Keolahragaan 12, no. 04 (September 30, 2021): 269–280. Accessed November 5, 2024. https://journal.unj.ac.id/unj/index.php/gjik/article/view/22143.