Columbia subject headings:
Language policy--Argentina--Congresses.
Sociolinguistics--Argentina--Congresses.
Harvard subject headings:
Buenos Aires (Argentina)--Languages--Congresses.
Language policy--Argentina--Buenos Aires--Congresses.
Language policy--Argentina--Congresses.
Sociolinguistics--Argentina--Buenos Aires--Congresses.
Sociolinguistics--Argentina--Congresses.
Princeton subject headings:
Buenos Aires (Argentina)--Languages--Congresses.
Language policy--Argentina--Buenos Aires--Congresses.
Sociolinguistics--Argentina--Buenos Aires--Congresses.