Columbia subject headings:
Communication--Study and teaching--Germany.
Internet in education--Germany.
Mass media in education--Germany.
Mass media--Philosophy.
Harvard subject headings:
Communication--Study and teaching--Germany.
Internet in education--Germany.
Mass media in education--Germany.
Mass media--Philosophy
Princeton subject headings:
Communication--Study and teaching--Germany.
Internet in education--Germany.
Mass media in education--Germany.
Mass media--Philosophy.