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. Compet. J. Pendidik. Kepelatihan Olahraga. 2025;17(2):1039-1047. doi:10.26858/cjpko.v17i2.74010