Aulia, F., Hashim, A., Abd Karim, Z., Saifuddin, Osman, N., & Hassan, S. (2022). Effectiveness of Volleyball Skills Instrument . Jurnal Sains Sukan & Pendidikan Jasmani, 11(2), 27–38. https://doi.org/10.37134/jsspj.vol11.2.3.2022