Suhairi, Muhammad, Zusyah Porja Daryanto, Rusdi Rusdi, Tri Aji, and Mohd Asmadzy Bin Ahmad Basra. 2026. “Development and Effectiveness of a Wrist Flick Training Device to Enhance Volleyball Hitting Performance ”. Indonesian Journal of Physical Education and Sport Science 6 (2):413-25. https://doi.org/10.52188/ijpess.v6i2.2021.