Sukmana, Fajar, Tatang Muhtar, and Tedi Supriyadi. “Effectiveness of Special Breathing Exercises on Increasing 60-Meter Running Speed for 5th Grade Students of SDN 37 Krui, Ngaras District, Pesisir Barat Regency”. Indonesian Journal of Sport Management 5, no. 4 (November 30, 2024): 968–978. Accessed June 13, 2026. https://www.ejournal.unma.ac.id/index.php/ijsm/article/view/16919.