T. S. , M.; KUMARI, M.; CHAURASIYA, A. Association between psychological capital and sleep quality among old age adults: Preliminary evidence. Psychology: the Journal of the Hellenic Psychological Society, [S. l.], v. 31, n. 2, p. 410–424, 2026. DOI: 10.12681/psy_hps.44190. Disponível em: https://ejournals.epublishing.ekt.gr/index.php/psychology/article/view/44190. Acesso em: 6 oct. 2026.