Wildan, Ade Evriansyah Lubis, Karo Karo AAP. Audio-Visual Media Implementation to Improve Learning Outcomes Volleyball Service For Elementary School. JPJ [Internet]. 2023Jun.29 [cited 2026Apr.21];4(1):124-30. Available from: https://jurnal.stokbinaguna.ac.id/index.php/JPJ/article/view/910