RAMADHANI, Awalin Aulia; 						ARIFIN, Safrin.
 The Effectiveness of Progressive Muscle Relaxation in Enhancing Athletes' Concentration: A Systematic Review.
<strong>Majalah Ilmiah Fisioterapi Indonesia</strong>, [S.l.], v. 13, n. 1, p. 85-91, mar. 2025.
ISSN 2722-0443.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/mifi/article/view/124779" target="_new">https://ojs.unud.ac.id/index.php/mifi/article/view/124779</a>&gt;. Date accessed: 14 oct. 2025.