Columbia subject headings:
City planning--Brazil--Paraná (State)
Desarrollo económico--Brazil--Paraná (State)
Paraná (Brasil : Estado)--Condiciones económicas.
Paraná (Brasil : Estado)--Condiciones sociales.
Paraná (Brazil : State)--Economic conditions.
Regional planning--Brazil--Paraná (State)
Harvard subject headings:
City planning--Brazil--Paraná (State)
Paraná (Brazil : State)--Economic conditions.
Regional planning--Brazil--Paraná (State)
Princeton subject headings:
City planning--Brazil--Paraná (State).
Paraná (Brazil : State)--Economic conditions.
Regional planning--Brazil--Paraná (State).