Columbia subject headings:
Paraná (Brazil : State)--Economic conditions.
Paraná (Brazil : State)--Social conditions.
Harvard subject headings:
Associação dos Municípios do Setentrião Paranaense.
Intergovernmental cooperation--Brazil--Paraná (State)
Paraná (Brazil : State)--Economic conditions.
Paraná (Brazil : State)--Social conditions.
Regional planning--Brazil--Paraná (State)
Princeton subject headings:
Paraná (Brazil : State)--Economic conditions.
Paraná (Brazil : State)--Social conditions.