Columbia subject headings:
Papua New Guinea--Economic conditions--Periodicals.
Harvard subject headings:
Papua New Guinea--Economic conditions--1975---Periodicals.
Papua New Guinea--Economic conditions--Periodicals.
Princeton subject headings:
Papua New Guinea--Economic conditions--1975---Periodicals.
Papua New Guinea--Economic conditions--Periodicals.
Papua New Guinea--Politics and government--1975---Periodicals.
Periodicals.