Budiyono, Budi Yono, and Qays Banwan Shareef. “Physical Fitness of Volleyball Extracurricular Participants During the COVID-19 Pandemic in 2021”. Journal of Education and Sport Science 6, no. 1 (January 30, 2025): 25–40. Accessed August 13, 2026. https://publikasiilmiah.unwahas.ac.id/JESS/article/view/5732.