Novi Pratiwi, A., Ahmad, G. and Zeini Wahida, A. 2025. Effect of Classical Music Therapy on Pain Level and Sleep Quality in Laparatomy Postoperative Patients . Jurnal Health Society. 14, 1 (Apr. 2025), 11–18. DOI:https://doi.org/10.62094/jhs.v14i1.192.