Genoveva Kiranaputri Tjondrolukito, author
Pengaruh Emrichment terhadap Perilaku Stereotipe Harimau Sumatera (Panthera tigris sumatrae, Pocock, 1929) di Tambling Wildlife Nature Conservation = Environmental Enrichment, Food Enrichment and Social Enrichment Impact on Sumatran Tiger’s (Panthera tigris sumatrae, Pocock, 1929) Stereotypic Behaviour on Tambling Wildlife Nature Conservation
Fakultas Matematika dan Ilmu Pengetahuan Alam Universitas Indonesia, 2020
 UI - Tesis (Membership)
Wedgwood, C.V. (Cicely Veronica), 1910-
Edward Gibbon / by C.V. Wedgewood
The British Council by Longmans, Green, 1955
 Buku Teks
Austin, Peter K., editor
The Cambridge handbook of endangered languages
Cambridge University Press, 2011
 eBooks
Science and the endangered species act
Washington National Academy Press , 1995
 Buku Teks
Priebe, Mac
The peregrine falcon : endangered no more
Mindfull Publishing, 2000
 Buku Referensi
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