Columbia subject headings:
Developing countries.
Economic development--Environmental aspects.
Economic development--Health aspects.
Environmental health--Developing countries--Congresses.
Pollution--Developing countries--Congresses.
Harvard subject headings:
Developing countries.
Economic development--Environmental aspects
Economic development--Health aspects.
Environmental health--Developing countries--Congresses.
Environmental health--India--Congresses.
Pollution--Developing countries--Congresses.
Public health--Developing countries--Congresses.
Public health--India--Congresses.
Princeton subject headings: