Murottal Therapy Improves Sleep Quality for Elderly People with Insomnia. Promotion and Prevention in Mental Health, [S. l.], v. 3, n. 2, p. 41–46, 2024. DOI: 10.63983/21gvgq21. Disponível em: https://saintekmedikanusantara.co.id/ojs/index.php/ppmhjournal/article/view/24.. Acesso em: 14 sep. 2025.