Umar Fitriadi, Umar Fitriadi. “Pengaruh Circuit Training Terhadap Kekuatan Fisik Pada Atlet Sekolah Sepakbola (SSB) Persisac Semarang”. Journal of Physical Activity and Sports (JPAS) 2, no. 3 (December 30, 2021): 375-386. Accessed January 18, 2026. https://mahardhika.or.id/jurnal/index.php/jpas/article/view/108.