Hamad. K .Y, Abdullah. M .T, Alaa. J. M. The Effect of Playing Exercises on the Concentration of cortisol Hormone for Futsal Players. jpo [Internet]. 2024 Aug. 1 [cited 2025 Apr. 27];1(4):12. Available from: https://edu.pubmedia.id/index.php/jpo/article/view/828