PURNAMA, Agus et al. Characteristics of Sleep Patterns in Patients Before COVID-19 Diagnosis. STRADA : Jurnal Ilmiah Kesehatan, [S. l.], v. 10, n. 1, p. 206–212, 2021. DOI: 10.30994/sjik.v10i1.604. Disponível em: https://sjik.org/index.php/sjik/article/view/604. Acesso em: 15 sep. 2025.