Columbia subject headings:
Mass media--Political aspects--Case studies.
Political participation--Case studies.
Harvard subject headings:
Mass media--Chile.
Mass media--Denmark.
Mass media--Finland.
Mass media--Great Britain
Mass media--Mexico.
Political participation--Chile
Political participation--Denmark
Political participation--Finland.
Political participation--Great Britain
Political participation--Mexico
Princeton subject headings:
Mass media--Chile.
Mass media--Denmark.
Mass media--Finland.
Mass media--Great Britain.
Mass media--Mexico.
Political participation--Chile.
Political participation--Denmark.
Political participation--Finland.
Political participation--Great Britain.
Political participation--Mexico.