SAYEKTI, N. P. W.; HENDRATI, L. Y. Risk Analysis of Depression, Sleep Hygiene Level and Chronic Disease with Insomnia in Elderly. Jurnal Berkala Epidemiologi, [S. l.], v. 3, n. 2, p. 181–193, 2015. DOI: 10.20473/jbe.V3I22015.181-193. Disponível em: https://e-journal.unair.ac.id/JBE/article/view/1660. Acesso em: 3 aug. 2024.