Columbia subject headings:
Amazon River Region--Economic conditions--Congresses.
Economic development projects--Amazon River Region--Congresses.
Economic development projects--Brazil--Congresses.
Regional planning--Amazon River Region--Congresses.
Harvard subject headings:
Amazon River Region--Economic conditions--Congresses.
Economic development projects--Amazon River Region--Congresses.
Economic development projects--Brazil--Congresses.
Regional planning--Amazon River Region--Congresses.
Princeton subject headings:
Amazonas (Brazil)--Economic policy.
Economic development projects--Brazil--Amazonas.