Septiadi, Firman, and Bachtiar. “Investigasi Keterampilan Kata Heian Shodan Menjelang Ujian Kenaikan Tingkat Sabuk: Studi Cross Sectional ”. Indonesian Journal of Physical Activity 3, no. 2 (October 31, 2023): 53-58. Accessed December 4, 2024. https://ijophya.org/index.php/ijophya/article/view/69.