Simanggunsong, Perdi, Sendy Paruliana Purba, Daniel Christovel Simbolon, Ramlan Sahputra, and Dewi Endriani. “Analisis Teknik Servis Atas Pada Bola Voli”. ULIL ALBAB : Jurnal Ilmiah Multidisiplin 5, no. 9 (August 3, 2026): 5232–5238. Accessed August 6, 2026. https://al-haramjournal.co.id/JIM/article/view/17999.