Ramadhani, A., & Arifin, S.
(2025).
The Effectiveness of Progressive Muscle Relaxation in Enhancing Athletes' Concentration: A Systematic Review.
Majalah Ilmiah Fisioterapi Indonesia, 13(1), 85-91.
Retrieved from https://ojs.unud.ac.id/index.php/mifi/article/view/124779