Nonorganic sleep disorders and sleep quality among the general population of Mongolia. Proceedings of the Mongolian Academy of Sciences, [S. l.], v. 63, n. 01, p. 35–46, 2023. DOI: 10.5564/pmas.v63i01.2807. Disponível em: https://mongoliajol.info/index.php/PMAS/article/view/2807. Acesso em: 2 jul. 2026.