Muhammad Alghifari Budiman, and Diki Armansyah Damanik. “The Effectiveness of Group CBT in Reducing Symptoms of Generalized Anxiety Disorder in Adult Pre-Operative Patients”. Journal of Applied Psychology and Health Studies, vol. 1, no. 1, June 2025, pp. 4-7, https://doi.org/10.36312/japhas.v1i1.10.