Columbia subject headings:
Harvard subject headings:
Asia, Central--Social policy--Congresses.
Languages in contact--Asia, Central--Congresses.
Linguistic change--Asia, Central--Congresses.
Linguistic minorities--Education--Asia, Central--Congresses.
Princeton subject headings:
Asia, Central--Social policy.
Language policies--Central Asia.
Languages in contact--Asia, Central.
Linguistic change--Asia, Central.
Linguistic minorities--Education--Asia, Central.