Putranto, Prama, Nasuka Nasuka, and Heny Setyawati. “Relationship of Body Mass Index, Leg Muscle Strength, and Muscle Sleeve Strength Against The Speed of Karate Punch”. Journal of Physical Education and Sports 7, no. 3 (August 3, 2018): 208-215. Accessed May 16, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/24586.