“The Effect of Depth Jump Training and Single Leg Bound Training on Increasing Leg Muscle Power of Male Athletes at Tapak Suci Tarbiyah Deli Serdang School in 2025”. COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, vol. 17, no. 2, Aug. 2025, pp. 1199-11, https://competitor.idjournal.eu/index.php/competitor/article/view/151.