J.P. singh, Madeline Carr, Renee Marlin-Bennett, editor
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Buku Teks
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MIT Press, 2002
Buku Teks
Speser, Phyllis L., author
John Wiley & Sons, 2006
Buku Teks
Iranian Society of Environmentalists (IRSEN) and Center for the Environment and Energy Research and Studies (CEERS), {s.a}
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Francastel, Pierre.
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Buku Teks