YÜCEL, Emin Erinç; ÖNEN ÜNSALVER, Barış. The relationship between smartphone using style and sleep quality and psychiatric symptoms among a foundation university students. The European Research Journal, [S. l.], v. 6, n. 6, p. 569–579, 2020. DOI: 10.18621/eurj.538377. Disponível em: https://eurj.org.tr/article/view/390. Acesso em: 5 apr. 2026.