Siti Utami Dewi, and Hamudi Prasestiyo. 2026. “Effectiveness of Preoperative Education on Anxiety Reduction Among Surgical Patients in Indonesian Hospitals: A Randomized Controlled Trial”. Jurnal Ilmiah Kesehatan Sandi Husada 15 (2):573-81. https://doi.org/10.35816/jiksh.v15i2.379.