Zainul Mahdianto, Lalu Sapta Wijaya Kusuma, Adi Suriatno, and Rusdiana Yusuf. “Peningkatan Hasil Belajar Servis Bawah Bola Voli Melalui Metode Block Practice ”. Reflection Journal 1, no. 1 (June 30, 2021): 8–13. Accessed January 19, 2026. https://journal-center.litpam.com/index.php/RJ/article/view/488.