List of Articles Problematic internet use Open Access Article Abstract Page Full-Text 1 - Determination of Problematic Internet Use: Identity Styles and Social Skills Nikou Tabaraei Mansooreh Nikoogoftar Sepideh Minoosepehr Open Access Article Abstract Page Full-Text 2 - Psychometric properties of the Parental Young Diagnostic Questionnaire (PYDQ) soozan karbasi Amirhooshang Mehryar siamak Samani