Aulia, Febi, Ahmad Hashim, Zulakbal Abd Karim, Saifuddin, and Sadzali Hassan. “Validity, Objectivity and Reliability of Volleyball Skills Instrument”. Jurnal Sains Sukan & Pendidikan Jasmani 11, no. 1 (June 25, 2022): 81–88. Accessed November 21, 2024. https://ojs.upsi.edu.my/index.php/JSSPJ/article/view/6757.