Papua New Guinea : improving the investment climate
Australian Agency for International Development, 1995
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Wilson, Lindsay
Papua New Guinea
McGraw-Hill , 1975
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Iyan Robiansyah
Predicting the impact of climate change on the distribution of flindersia pimenteliana f. muell. in Indonesian Papua and Papua New Guinea
Seameo Biotrop, 2017
 Artikel Jurnal
Robson, R.W.
Handbook of Papua and New Guinea 1954
Pacific Publications PTY, 1954
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Woolford, Donald Mark
Papua New Guinea : initiation and independence
University of Queensland Press, 1976
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