Nuraini, Nuraini, Muhammad Rahmad Kasmad, and Muh. Adnan Hudain. “Leg Muscle Endurance and Middle-Distance Running Performance Among High School Athletic Extracurricular Students ”. ETDC: Indonesian Journal of Research and Educational Review 6, no. 1 (September 1, 2026): 27–37. Accessed September 12, 2026. https://etdci.org/journal/ijrer/article/view/4747.