by Jay Lehr, Marve Hyman, Tyler E. Gass, William Seevers
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Buku Referensi
CRC Press LLC, 2001,
Buku Referensi
edited by Harry M. Freeman
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Buku Referensi
Schnepp, Rob, 1961-
Jones & Bartlett Learning, 2016
Buku Teks
Lewis, Richard J.
Wiley-Interscience, 2002
Buku Referensi