Simarmata, Joel, and Mahmuddin Mahmuddin. “Leg Muscle Power, Speed, and Flexibility Correlate With Mawashi Geri Chudan Kicking Performance in 12-14-Year-Old Boys at Dojo Victori’s Karate”. Journal of Indonesian Active in Sports 1, no. 2 (July 31, 2024): 43–52. Accessed February 23, 2025. http://103.242.233.34/index.php/jias/article/view/52372.