Novian, Andreas Andri, Fitri Anita, and Dewi Yuliana. “Effect of Instrumental Music Therapy on Preoperative Anxiety Levels in Patients at Imanuel Hospital Bandar Lampung”. Journal of Community Health Provision 4, no. 1 (August 13, 2024): 1-8. Accessed April 16, 2026. https://mail.psppjournals.org/index.php/jchp/article/view/344.