“Analisis Kemampuan Permainan Bola Voli Di SMP Negeri 21 Palembang”. Jurnal Inovasi Olahraga 2, no. 01 (February 28, 2023): 08–16. Accessed October 31, 2025. https://jio.inspiree.review/ojs/index.php/jio/article/view/133.