Hidayatullah, Ahmad Fahmi, Nasuka Nasuka, and Agung Wahyudi. “The Effect of Training Method and Arm Length on Spike Back Attack Ability in Junior Athletes of Bina Taruna Semarang Volleyball Club”. JUARA : Jurnal Olahraga 8, no. 2 (July 28, 2023): 843-850. Accessed July 22, 2024. https://jurnal.upmk.ac.id/index.php/juara/article/view/3379.