Muhibbi, M., Hidayah, T. and Sulaiman, S. (2018) “The Develoment of Speed Punch Reaction (SPR) as a Tool for Reaction Speed of Karate Punch Training”, Journal of Physical Education and Sports, 7(2), pp. 168-173. Available at: https://journal.unnes.ac.id/sju/jpes/article/view/25124 (Accessed: 27September2024).