Wigiyanto, Wigiyanto, Soekardi Soekardi, and Mugiyo Hartono. “Multimedia Development of Android-Based Referee Signals Recognition Application in Basketball Game for Beginner Players”. Journal of Physical Education and Sports 8, no. 1 (October 31, 2018): 76-82. Accessed July 18, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/26933.