Brookshear, J. Glenn
Benjamin/Cummings Publishing, Company, Inc., 1994
Buku Teks SO
Brookshear, J. Glenn
Pearson, 2019
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American Association for the Advancement of Science, 2018
Majalah, Jurnal, Buletin
by Geoff Green ... [and others]
John Murray, 1976
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Tillery, Bill W.
McGraw-Hill, 2013
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