“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 March 4, 2026. https://ijophya.org/index.php/ijophya/article/view/69.