Columbia subject headings:
Cyberbullying--Germany.
Internet addicts--Germany.
Internet and youth--Germany.
Internet users--Germany.
Internet--Germany--Psychological aspects.
Internet--Germany.
Internet--Moral and ethical aspects--Germany.
Internet--Social aspects--Germany.
Media literacy--Germany.
Harvard subject headings:
Cyberbullying--Germany.
Internet addicts--Germany.
Internet and youth--Germany.
Internet users--Germany.
Internet--Germany--Psychological aspects.
Internet--Germany.
Internet--Moral and ethical aspects--Germany.
Internet--Social aspects--Germany.
Media literacy--Germany.
Princeton subject headings:
Cyberbullying--Germany.
Internet addicts--Germany.
Internet and youth--Germany.
Internet users--Germany.
Internet--Germany--Psychological aspects.
Internet--Germany.
Internet--Moral and ethical aspects--Germany.
Internet--Social aspects--Germany.
Media literacy--Germany.