“The Differential Effects of Circuit Training and High-Intensity Interval Training (HIIT) Methods on VO₂Max Improvement in Pencak Silat Athletes at SMA Negeri 2 Taruna Pamong Praja, East Java” (2025) COMPETITOR: Jurnal Pendidikan Kepelatihan Olahraga, 17(2), pp. 1039–1047. Available at: https://competitor.idjournal.eu/index.php/competitor/article/view/65 (Accessed: 19 March 2026).