“The Effect of Circuit Training on Leg Muscle Power During the Crouch Start in the 60-Meter Dash”. JURNAL MUARA OLAHRAGA 8, no. 2 (July 30, 2026): 184–196. Accessed September 22, 2026. https://ejournal.ummuba.ac.id/index.php/pjkr/article/view/4386.