Columbia subject headings:
Portuguese language--Dialects--Brazil.
Rural-urban migration--Brazil.
Sociolinguistics--Network analysis.
Urban dialects--Brazil.
Harvard subject headings:
Portuguese language--Dialects--Brazil.
Rural-urban migration--Brazil
Sociolinguistics--Network analysis
Urban dialects--Brazil.
Princeton subject headings:
Portuguese language--Dialects--Brazil.
Rural-urban migration--Brazil.
Sociolinguistics--Network analysis.
Urban dialects--Brazil.