Columbia subject headings:
Australia--Foreign relations--Papua New Guinea.
National security--Australia.
National security--Papua New Guinea.
Papua New Guinea--Foreign relations--Australia.
Transnational crime--Australia.
Transnational crime--Papua New Guinea.
Harvard subject headings:
Australia--Foreign relations--Papua New Guinea.
National security--Australia
National security--Papua New Guinea.
Papua New Guinea--Foreign relations--Australia.
Transnational crime--Australia.
Transnational crime--Papua New Guinea.
Princeton subject headings: