Iqbal R, Dermawan D, Julianti R, Rahmadhanty O, Mukhtarsyaf F. The Relationship Between Physical Fitness And Academic Achievement: How Exercise Improves Concentration. JST [Internet]. 30Jun.2025 [cited 22Aug.2025];8(2):86-3. Available from: http://stamina.ppj.unp.ac.id/index.php/JST/article/view/1297