THE INFLUENCE OF CLASSICAL MUSIC THERAPY ON THE ANXIETY LEVELS OF MOTHERS IN LABOR AHEAD OF CHILDBIRTH IN THE DELIVERY ROOM OF RSUD DR. DORIS SYLVANUS PALANGKA RAYA. Proceedings OPTIMAL, [S. l.], v. 1, n. 1, 2024. DOI: 10.5281/zenodo.15960799. Disponível em: https://proceedings.nuansafajarcemerlang.com/index.php/ico/article/view/44. Acesso em: 12 feb. 2026.