Columbia subject headings:
Petroleum industry and trade--Australasia--Periodicals.
Petroleum industry and trade--East Asia--Periodicals.
Harvard subject headings:
Energy industries--Australasia--Periodicals.
Energy industries--East Asia--Periodicals.
Petroleum industry and trade--Australasia--Periodicals.
Petroleum industry and trade--East Asia--Periodicals.
Princeton subject headings:
Energy industries--Australasia--Periodicals.
Energy industries--East Asia--Periodicals.
Petroleum industry and trade--Australasia--Periodicals.
Petroleum industry and trade--East Asia--Periodicals.