JULIANTI, Hermi.
 Hubungan Tingkat Kecemasan Terhadap COVID-19 dengan Kualitas Tidur pada Lansia.
<strong>Jurnal Kesehatan Ilmiah Indonesia / Indonesian Health Scientific Journal</strong>, [S.l.], v. 7, n. 1, p. 34-45, june 2022.
ISSN 2623-2499.
Available at: &lt;<a href="https://jurnal.unar.ac.id/index.php/health/article/view/776" target="_new">https://jurnal.unar.ac.id/index.php/health/article/view/776</a>&gt;. Date accessed: 04 feb. 2023.
doi: <a href="http://dx.doi.org/10.51933/health.v7i1.776">http://dx.doi.org/10.51933/health.v7i1.776</a>.