NURMAGANDI, Boby, Achir Yani S. HAMID, and Ria Utami PANJAITAN. 2022. “The Influence of Health Education and Group Therapy on Adolescent Online Gamers’ Self-Concepts”. European Journal of Mental Health, June, 37-46. https://ejmh.semmelweis.hu/test/index.php/ejmh/article/view/238.