Columbia subject headings:
Colombia--Politics and government--1974---Congresses.
Mass media and public opinion--Colombia--Congresses.
Public opinion polls--Congresses.
Public opinion--Colombia--Congresses.
Harvard subject headings:
Colombia--Politics and government--1974---Congresses.
Mass media and public opinion--Colombia--Congresses.
Public opinion polls--Congresses.
Public opinion--Colombia--Congresses.
Princeton subject headings: