NAPITUPULU, M.; ., S. Pengaruh Terapi Musik Klasik Terhadap Lansia Penderita Insomnia. Jurnal Kesehatan Ilmiah Indonesia (Indonesian Health Scientific Journal), [S. l.], v. 4, n. 1, p. 70–75, 2019. Disponível em: https://jurnal.unar.ac.id/index.php/health/article/view/181. Acesso em: 12 sep. 2026.