Riza Rizky Pratama, Riza, Ramdhani Rahman, and Ribut Wahidi. “THE EFFECT OF LEFT MUSCLE STRENGTH EXERCISE ON JUMP SERV IN VOLLEY BALL GAMES IN EXTRACURRICULAR VOCATIONAL SCHOOL NEGERI 1 KUNINGAN”. Journal of Physical Education and Sport Science 7, no. 2 (October 7, 2025): 18-23. Accessed October 17, 2025. https://jurnal.umkuningan.ac.id/index.php/jpess/article/view/2365.