Columbia subject headings:
Civil service reform--Puerto Rico.
Democracy--Puerto Rico.
Mass media and public opinion--Puerto Rico.
Mass media in economic development--Puerto Rico.
Political participation--Puerto Rico.
Harvard subject headings:
Princeton subject headings:
Civil service reform--Puerto Rico.
Democracy--Puerto Rico.
Freedom of speech--Puerto Rico.
Mass media and public opinion--Puerto Rico.
Mass media in economic development--Puerto Rico.
Political participation--Puerto Rico.
Puerto Rico--Social policy.