“PENGARUH LATIHAN MENGGUNAKAN METODE JARAK BERTAHAP TERHADAP KETEPATAN SERVIS ATAS BOLA VOLI ”, sendinusa, vol. 3, no. 1, pp. 49–59, Jun. 2022, Accessed: Jun. 23, 2026. [Online]. Available: https://ejournal.unsub.ac.id/index.php/sendinusa/article/view/1285