Setiyowati, Eppy, and Eva Vera Zulkarnain. “The Influence of Spiritual Support on Anxiety Levels and Sleep Quality in Pre-Operative Patients : Literature Review”. Journal of Applied Nursing and Health 6, no. 1 (June 27, 2024): 81–90. Accessed March 15, 2025. https://janh.candle.or.id/index.php/janh/article/view/178.