Columbia subject headings:
Energy conservation--China--Congresses.
Energy conservation--Economic aspects--China--Congresses.
Energy consumption--China--Congresses.
Energy consumption--Economic aspects--China--Congresses.
Harvard subject headings:
Energy conservation--China--Congresses.
Energy policy--China--Congresses.
Princeton subject headings:
Energy conservation--China--Congresses.
Energy conservation--Economic aspects--China--Congresses.
Energy consumption--China--Congresses.
Energy consumption--Economic aspects--China--Congresses.