Pratama RR, Satria MH, Defliyanto D, Ramadhan A, Hidayat A. Comparison of the Effects of Circuit Training and Fartlek on the Intermittent Endurance of Unsri United Soccer Players. IJPESS [Internet]. 2026Jun.13 [cited 2026Jun.13];6(2):455-67. Available from: https://journal.unucirebon.ac.id/index.php/ijpess/article/view/1974