Columbia subject headings:
Pensions--Korea (South)
Public welfare--Korea (South)
Taxation--Korea (South)
Welfare state--Korea (South)
Harvard subject headings:
Korea (South)--Social conditions--21st century.
Public welfare--Korea (South)
Welfare state--Korea (South)
Princeton subject headings:
Korea (South)--Social conditions--21st century.
Public welfare--Korea (South)
Welfare state--Korea (South).