Columbia subject headings:
Language policy--Developing countries--Congresses.
Linguistic minorities--Developing countries--Congresses.
Literacy--Developing countries--Congresses.
Harvard subject headings:
Language policy--Developing countries--Congresses.
Linguistic minorities--Developing countries--Congresses.
Literacy--Developing countries--Congresses.
Princeton subject headings:
Language policy--Developing countries--Congresses.
Linguistic minorities--Developing countries--Congresses.
Literacy--Developing countries--Congresses.