Purwito, Dedy, and Sukardin Sukardin. “Acoustic Music Therapy on Improving Cognitive Function and Sleep Quality in Elderly Dementia Patients”. MEDISAINS: Jurnal Ilmiah Ilmu-Ilmu Kesehatan, vol. 21, no. 3, Dec. 2023, pp. 91-96, doi:10.30595/medisains.v21i3.20031.