غفور توانا وهبي. “A Comparative Study of The Explosive Muscular Power Strength of The Two Legs: Reaction Speed and Accuracy Between Front and Back Crushing Skill in Volleyball”. Koya University Journal of Humanities and Social Sciences 4, no. 2 (January 19, 2022): 211-219. Accessed May 6, 2024. https://jhss.koyauniversity.org/index.php/jhss/article/view/489.