Columbia subject headings:
Harvard subject headings:
Paraná (Brazil : State)--Economic conditions.
Paraná (Brazil : State)--Economic policy.
Paraná (Brazil : State)--Social conditions.
Paraná (Brazil : State)--Social policy.
Regional planning--Brazil--Paraná (State)
Princeton subject headings:
Paraná (Brazil : State)--Economic conditions.
Paraná (Brazil : State)--Economic policy.
Paraná (Brazil : State)--Social conditions.
Paraná (Brazil : State)--Social policy.
Regional planning--Brazil--Paraná (State).