K. Kurniawan, O. D. Irjani, N. Goei, and A. Ghiffari, “A Comparison of Murottal Al-Qur’an and Classical Music Therapy on Women’s Anxiety Levels During Early Labor at Muhammadiyah Palembang Hospital: A Comparison of Murottal Al-Qur’an and Classical Music Therapy on Women’s Anxiety Levels During Early Labor at Muhammadiyah Palembang Hospital”, J Surya Medika, vol. 11, no. 3, pp. 345–351, Dec. 2025.