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2. The globalization of addiction;Alexander;Addict. Res.,2000
3. http://www.medierådet.se/Kunskapsbanken/Ovrigt/Foraldrars-kontroll-av-mediekonsumtion
4. www.nordicom.gu.se/common/publ_pdf/323_internetbarometer2009.pdf
5. Svenskarna och Internet 2010 (Swedes and Internet 2010);Findahl,2010