Columbia subject headings:
Developing countries--Economic policy--Congresses.
Economic development--Environmental aspects--Congresses.
Human ecology--Developing countries--Congresses.
Harvard subject headings:
Developing countries--Economic policy--Congresses.
Economic development--Environmental aspects--Congresses
Human ecology--Developing countries--Congresses.
Princeton subject headings:
Developing countries--Economic policy--Congresses.
Economic development--Environmental aspects--Congresses.
Economic policy--Developing countries--Congresses.
Human ecology--Developing countries--Congresses.