Columbia subject headings:
Harvard subject headings:
Economic development--Congresses
Energy development--Congresses
Energy policy--Congresses
Energy policy--Developing countries--Congresses.
World politics--Congresses
Princeton subject headings:
Economic development--Congresses.
Energy development--Congresses.
Energy policy--Congresses.
Energy policy--Developing countries--Congresses.
World politics--Congresses.