Amir Hamzah, Mujriah, and Supriadin. 2024. “Improving Students’ Active Participation and Volleyball Learning Outcomes through Problem-Based Learning Among MTs Darut Thayyibin NW Batujai Students”. Musamus Journal of Physical Education and Sport (MJPES) 6 (3), 491-98. https://doi.org/10.35724/mjpes.v6i3.7609.