Permana, D. A., Kusnanik, N. W., Nurhasan, N., & Raharjo, S. (2022). A Six-Week Plyometric Training Program Improves Explosive Power and Agility in Professional Athletes of East Java. Physical Education Theory and Methodology, 22(4), 510–515. https://doi.org/10.17309/tmfv.2022.4.08