Columbia subject headings:
Harvard subject headings:
Albanian language--Study and teaching--Foreign speakers--Congresses.
Albanian language--Variation--Congresses.
German language--Study and teaching--Foreign speakers--Congresses.
German language--Variation--Congresses.
Intercultural communication--Congresses.
Princeton subject headings:
Intercultural communication--Congresses.
Language and languages--Variation--Congresses.