Kahan, Ján, and Eva Žiaková. “LONELINESS AND PREDICTIVE MODELS OF MULTIPLE RISK BEHAVIOR OF ADOLESCENTS IN THE CONTEXT OF ECOSYSTEM METATHEORY AND VIRTUAL INTERNET SPACE”. Proceedings of CBU in Social Sciences 2 (October 24, 2021): 172-183. Accessed November 5, 2026. https://ojs.cbuic.cz/index.php/pss/article/view/218.