Columbia subject headings:
Harvard subject headings:
Assimilation (Sociology)
German language--Acquisition.
Koreans--Germany (West)--Languages.
Languages in contact--Germany (West)
Second language acquisition.
Sociolinguistics--Germany (West)
Princeton subject headings:
Foreign workers, Korean--Germany--Language.
German language--Study and teaching--Korean speakers.
Koreans--Germany--Cultural assimilation.
Koreans--Germany--Language.