Columbia subject headings:
Anthropological linguistics--Nigeria, Northern--Congresses.
Language and culture--Nigeria, Northern--Congresses.
Multilingualism--Nigeria, Northern--Congresses.
Harvard subject headings:
Anthropological linguistics--Nigeria, Northern--Congresses.
Cultural pluralism--Nigeria--Congresses.
Language and culture--Nigeria, Northern--Congresses.
Multilingualism--Nigeria, Northern--Congresses.
Multilingualism--Nigeria--Congresses.
Princeton subject headings:
Anthropological linguistics--Nigeria, Northern--Congresses.
Language and culture--Nigeria, Northern--Congresses.
Multilingualism--Nigeria, Northern--Congresses.