Columbia subject headings:
Harvard subject headings:
Interaction analysis in education--Congresses.
Language and languages--Standardization--Congresses.
Language planning--Congresses.
Language policy--Congresses.
Sociolinguistics--Europe--Congresses.
Princeton subject headings:
Interaction analysis in education.
Language and languages--Standardization.
Language planning.
Language policy.
Sociolinguistics--Europe.