(1991). The importance of the Ok Tedi mine to Papua New Guinea. Centre for International Economics.
Chicago-viite (17. p.)The Importance of the Ok Tedi Mine to Papua New Guinea. Canberra: Centre for International Economics, 1991.
MLA-viite (9. p.)The Importance of the Ok Tedi Mine to Papua New Guinea. Centre for International Economics, 1991.
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