Asmara, Siti Suryani, Yanuar Primanda, and Fitri Arofiati. 2026. “Effectiveness of Video-Based Preoperative Education on Reducing Anxiety Levels in Patients Undergoing Surgery: A Literature Review”. Indonesian Journal of Global Health Research 8 (3):1159-66. https://doi.org/10.37287/ijghr.v8i3.1434.