Columbia subject headings:
Harvard subject headings:
English language--Computer-assisted instruction for foreign speakers--Congresses.
Language and languages--Computer-assisted instruction--Congresses
Second language acquisition--Computer-assisted instruction--Congresses.
Princeton subject headings:
English language--Computer-assisted instruction for foreign speakers--Congresses.
Language and languages--Computer-assisted instruction--Congresses.
Second language acquisition--Computer-assisted instruction--Congresses.