Acharya, S., R. Gurung, and B. Parajuli. “Preoperative Anxiety Assessment in Adult Patients Undergoing Elective Surgeries: A Cross-Sectional Observational Study”. Journal of Institute of Medicine Nepal, vol. 42, no. 3, July 2021, pp. 18-22, https://www.jiomnepal.com.np/index.php/jiomnepal/article/view/39.