Columbia subject headings:
Harvard subject headings:
Education, Higher--European Union countries--Congresses.
Language and languages--Study and teaching--European Union countries--Congresses.
Multilingualism--Study and teaching (Higher)--European Union countries--Congresses.
Princeton subject headings:
Education, Higher--European Union countries--Congresses.
Language and languages--Study and teaching--European Union countries--Congresses.
Multilingualism--Study and teaching (Higher)--European Union countries--Congresses.