Relationship Between Intensity Of Social Media Use And Narcissistic Behavior In Uinsu Tunungan Students. HEALTH CARE: JURNAL KESEHATAN, [S. l.], v. 14, n. 1, p. 18–26, 2025. DOI: 10.36763/healthcare.v14i1.589. Disponível em: https://jurnal.payungnegeri.ac.id/index.php/healthcare/article/view/589. Acesso em: 13 jan. 2026.