Rummy, Nur Sayyid Jalaluddin, Windarti Rumaolat, and Trihartuty Trihartuty. 2020. “A Systematic Review of Effectiveness of Music Therapy on Depression In The Elderly”. Jurnal Ners 15 (1Sp):101-6. https://doi.org/10.20473/jn.v15i1Sp.18974.