Futurenatural: nature, science, culture/edited by George Robertson...[et al.]
London Routledge 1996,
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Asimov, Isaac, author
Visions of the universe/Text by Isaac Asimov; Printing by Kazuaki Iwasaki; Preface by Carl Sagan
Montrose, California The Cosmos Store 1981,
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Berita MIPA
Depok : FMIPA-UI, 1997,
 Majalah, Jurnal, Buletin
Kahuyu : media komunikasi yayasan penyelamatan orangutan borneo (BOS)
Jakarta : Yayawan penyelamatan orangutan borneo - Departamen Kehutanan, 2006,
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Mengelola kembali pengelolaan sumber daya alam
 Artikel Jurnal
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