Columbia subject headings:
Costa Rica--Social conditions.
Education--Costa Rica.
Occupations--Costa Rica.
Social change--Costa Rica.
Social stratification--Costa Rica.
Harvard subject headings:
Costa Rica--Economic conditions--20th century.
Costa Rica--Economic conditions--21st century.
Costa Rica--Social conditions--20th century.
Costa Rica--Social conditions--21st century.
Education--Social aspects--Costa Rica.
Social structure--Costa Rica.
Princeton subject headings:
Costa Rica--Social conditions.
Education--Costa Rica.
Occupations--Costa Rica.
Social change--Costa Rica.
Social stratification--Costa Rica.