Ansori, Ikhsan, Sulaiman Sulaiman, and Rumini Rumini. “The Contribution of The Leg’s Power, Body Balance, and Leg Muscle Flexibility to Front Kick Speed of Young Men Fighter, Tapak Suci Hermitage Banjarnegara Regency”. Journal of Physical Education and Sports 8, no. 2 (November 26, 2018): 108-115. Accessed July 18, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/27336.