BELLA, B.; PANGARIBUAN, S. M.; WIDIASTUTI , S. H. Stress and Sleep Quality among the Elderly During The COVID-19 Pandemic: A cross-sectional study. Jurnal Berita Ilmu Keperawatan, [S. l.], v. 16, n. 1, p. 11–21, 2023. DOI: 10.23917/bik.v16i1.1260. Disponível em: https://journals2.ums.ac.id/bik/article/view/1260. Acesso em: 11 sep. 2024.