Kurniadi, A., Istiyono, Bakar, A., Robi, L., Mawardi, & Emayanti. (2025). Development of a Service Technique Training Model for Volleyball for Physical Education Students of the University of Muhammadiyah Sorong. JURNAL MUARA OLAHRAGA, 7(2), 444–452. https://doi.org/10.52060/jmo.v7i2.3366