Sukmana F, Muhtar T, Supriyadi T. Effectiveness of Special Breathing Exercises on Increasing 60-Meter Running Speed for 5th Grade Students of SDN 37 Krui, Ngaras District, Pesisir Barat Regency. Ind. Jo. Spo. Man. [Internet]. 2024 Nov. 30 [cited 2026 Jun. 13];5(4):968-7. Available from: https://www.ejournal.unma.ac.id/index.php/ijsm/article/view/16919