Dimitrov, Ivan, and Georgi Petrov. “Effectiveness of Humor-Based Group Therapy on Depression and Self-Esteem in Adolescents”. Journal of Adolescent and Youth Psychological Studies (JAYPS) 6, no. 3 (March 10, 2025): 105–114. Accessed January 30, 2026. https://www.journals.kmanpub.com/index.php/jayps/article/view/3888.