Spesies terancam: Perbezaan antara semakan
Kandungan dihapus Kandungan ditambah
Tiada ringkasan suntingan |
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Baris 56:
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*Minteer, B. A., & Collins, J. P. (2005, August). [http://www.jstor.org/stable/3868567 Why we need an “Ecological Ethics”.]
* Frontiers in Ecology and the Environment, 3(6), 332-337. Retrieved September 22, 2008
*Raloff, J. (2006, August 5). [http://www.jstor.org/stable/4017054 Preserving Paradise], [[Science News]], 170(6), 92. Retrieved September 22, 2008,
*Wilcove, D. S., & Master L. L. (2008, October). [http://www.jstor.org/stable/3868674 How Many Endangered Species are there in the United States?] Frontiers in Ecology and the Environment, 3(8), 414-420. Retrieved September 22, 2008.
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