WIDYASTUTI, Ni Nyoman Sri.
 Distinction the Effectiveness of Therapy Music with Techniques of Relaxation Progressive to Increasing the Quality of Sleep for the Elderly in Banjar Peken Sumerta Kaja Village..
<strong>Coping: Community of Publishing in Nursing</strong>, [S.l.], v. 1, n. 1, apr. 2013.
ISSN 2715-1980.
Available at: &lt;<a href="https://ojs.unud.ac.id/index.php/coping/article/view/6127" target="_new">https://ojs.unud.ac.id/index.php/coping/article/view/6127</a>&gt;. Date accessed: 22 jan. 2025.