Adit, Aditya Warman, and Raffly Henjilito. “Kontibusi Daya Ledak Otot Tungkai Dan Percaya Diri Terhadap Kecepatan Lari Sprint 50 Meter”. Indonesian Journal of Physical Education and Sport Science 1, no. 2 (November 9, 2021): 45-50. Accessed May 3, 2024. https://journal.unucirebon.ac.id/index.php/ijpess/article/view/198.