Šporčić, Berislav, and Renata Glavak-Tkalić. 2018. “The Relationship Between Online Gaming Motivation, Self-Concept Clarity and Tendency Toward Problematic Gaming”. Cyberpsychology: Journal of Psychosocial Research on Cyberspace 12 (1):Article 4. https://doi.org/10.5817/CP2018-1-4.