Columbia subject headings:
Harvard subject headings:
Costa Rica--Politics and government--1986---Statistics.
Elections--Costa Rica--Statistics.
Suffrage--Costa Rica--Statistics.
Voting--Costa Rica--Abstention--Statistics.
Voting--Costa Rica.
Princeton subject headings:
Costa Rica--Politics and government--1986---Statistics.
Elections--Costa Rica--Statistics.
Statistics.
Voting--Costa Rica--Statistics.