Columbia subject headings:
Education--Social aspects--Korea (South)
Korea (South)--Social conditions--21st century.
Social classes--Korea (South)
Social stratification--Korea (South)
Social structure--Korea (South)
Harvard subject headings:
Education--Social aspects--Korea (South)
Equality--Korea (South)
Korea (South)--Social conditions--21st century.
Social classes--Korea (South)
Social stratification--Korea (South)
Princeton subject headings: