Septiadi, Firman, and Bachtiar. 2023. “Investigasi Keterampilan Kata Heian Shodan Menjelang Ujian Kenaikan Tingkat Sabuk: Studi Cross Sectional ”. Indonesian Journal of Physical Activity 3 (2), 53-58. https://doi.org/10.59734/ijpa.v3i2.69.