Columbia subject headings:
Harvard subject headings:
Korean language--Social aspects--China.
Koreans--China--Languages.
Sociolinguistics--China--Koreans.
Princeton subject headings:
Bilingualism--China--Qingdao.
Korean language--Social aspects--China--Qingdao.
Koreans--China--Qingdao--Attitudes.
Koreans--China--Qingdao--Languages.
Linguistic minorities--China--Qingdao.