Ngandhika, Ery, Eunike Rustiana, and Harry Pramono. “Development of Android-Based Rhythmic Activity Learning Media on Physical Education in High School”. Journal of Physical Education and Sports 7, no. 2 (June 12, 2018): 106-112. Accessed May 2, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/23612.