Columbia subject headings:
Foreign trade regulation--Ghana--Periodicals.
Korea (South)--Commerce--Periodicals.
Korea (South)--Commercial policy--Periodicals.
Harvard subject headings:
Foreign trade regulation--Korea (South)--Periodicals.
Korea (South)--Commerce--Periodicals.
Korea (South)--Commercial policy--Periodicals.
Princeton subject headings:
Korea (South)--Commerce--Periodicals.
Korea (South)--Commercial policy--Periodicals.
Periodicals.