Aufar, Reza Fadhlillah, Soegiyanto Soegiyanto, and Tri Rustiadi. “Plyometric Exercises and Concentration Levels on the Swim-Start Jump of Female Athletes in Metro Lampung”. Journal of Physical Education and Sports 8, no. 4 (July 8, 2019): 8-14. Accessed July 18, 2024. https://journal.unnes.ac.id/sju/jpes/article/view/31356.