Arianus Zebua, Herianto Bangun. The Effect of Classical Music Therapy on Pain Intensity Pain in Post Appendicectomy Patients in Room Rose II General Hospital Bina Kasih Medan. Info Sains [Internet]. 2021 Oct. 27 [cited 2026 Apr. 19];11(2):33-7. Available from: https://ejournal.seaninstitute.or.id/index.php/InfoSains/article/view/4760