Darmawan , Arief, Tatok Sugiarto, Surya Adi Saputra, Ahadi Priyohutomo, and Amirina Surya Mahardikarani. “Development of Virtual Hologram Audio Visualizer Box Technology to Improve Physical Fitness”. Indonesian Journal of Physical Education and Sport Science 4, no. 4 (December 30, 2024): 508-517. Accessed January 2, 2025. https://journal.unucirebon.ac.id/index.php/ijpess/article/view/839.