“The Effect of Bounce Ball Drill Training on the Bottom Passing Skills of Volleyball Players Aged 10-12 Years in ASVOBA (Assalam Voli Ball)”, Compet. J. Pendidik. Kepelatihan Olahraga, vol. 17, no. 2, pp. 801–810, Jun. 2025, Accessed: Mar. 19, 2026. [Online]. Available: https://competitor.idjournal.eu/index.php/competitor/article/view/70