Columbia subject headings:
Harvard subject headings:
German language--Business German--Study and teaching--Foreign speakers--Congresses.
German language--Study and teaching--Foreign speakers--Congresses.
Occupational training--Germany--Congresses.
Second language acquisition--Congresses.
Vocational education--Germany--Congresses.
Princeton subject headings:
German language--Business German--Study and teaching--Foreign speakers--Congresses.
German language--Study and teaching--Foreign speakers--Congresses.
Occupational training--Germany--Congresses.
Second language acquisition--Congresses.
Vocational education--Germany--Congresses.