NAPITUPULU, Mastiur; 						., Sutriningsih.
 Pengaruh Terapi Musik Klasik Terhadap Lansia Penderita Insomnia.
<strong>Jurnal Kesehatan Ilmiah Indonesia (Indonesian Health Scientific Journal)</strong>, [S.l.], v. 4, n. 1, p. 70-75, june 2019.
ISSN 2623-2499.
Available at: &lt;<a href="https://jurnal.unar.ac.id/index.php/health/article/view/181" target="_new">https://jurnal.unar.ac.id/index.php/health/article/view/181</a>&gt;. Date accessed: 02 may 2024.