Columbia subject headings:
Harvard subject headings:
Korea (South)--Description and travel.
Korea (South)--Social life and customs--21st century.
Korea (South)--Social life and customs.
Seoul (Korea)--Description and travel.
Seoul (Korea)--Social life and customs--21st century.
Seoul (Korea)--Social life and customs.
Princeton subject headings:
Korea (South)--Social life and customs--21st century.
Seoul (Korea)--Social life and customs--21st century.