KÁLLAY, Éva 2019. THE INVESTIGATION OF THE RELATIONSHIP BETWEEN MENTAL HEALTH INDICATORS, PROBLEMATIC USAGE OF SOCIAL NETWORKING, AND GENDER IN A SAMPLE OF TRANSYLVANIAN HUNGARIAN STUDENTS. Studia Universitatis Babeș-Bolyai Psychologia-Paedagogia. 64, 2 (Dec. 2019), 61–80. DOI:https://doi.org/10.24193/subbpsyped.2019.2.03.