American Association for the Advancement of Science, 2018
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Tillery, Bill W.
McGraw-Hill, 2013
Buku Teks
Geoff Green, Ken Petford, Alan Short, David Walker
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Buku Referensi
Pomeroy, John H.
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Buku Teks
Derry, Gregory N.
Princeton University Press , 1999
Buku Teks