Problematic digital gaming behavior and its relation to the psychological, social and physical health of Finnish adolescents and young adults / Niko Männikkö, Joël Billieux, Maria Kääriäinen
  Bibliogr.: p. 287-288. - Abstr. eng.
  In: Journal of Behavioral Addictions. - ISSN 2062-5871, eISSN 2063-5303. - 2015. 4. évf. 4. sz., p. 281-288. : ill.