Sari, N. K. N., I. W. A. Maharyawan, E. I. Lewar, and N. L. P. L. Devi. “Effectiveness of Educational Videos on Reducing Anxiety in Pre-Anesthesian Patients”. Journal of Language and Health, Vol. 5, no. 1, Apr. 2024, pp. 203-8, doi:10.37287/jlh.v5i1.3288.