Columbia subject headings:
Papua New Guinea--Economic conditions--Statistics.
Papua New Guinea--Population--Statistics.
Papua New Guinea--Social conditions--Statistics.
Papua New Guinea--Statistics.
Harvard subject headings:
Papua New Guinea--Economic conditions--Statistics.
Papua New Guinea--Population--Statistics.
Papua New Guinea--Social conditions--Statistics.
Papua New Guinea--Statistics.
Princeton subject headings:
Papua New Guinea--Economic conditions--Statistics.
Papua New Guinea--Population--Statistics.
Papua New Guinea--Social conditions--Statistics.
Papua New Guinea--Statistics.
Statistics.