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Buku Referensi
W.F. Chen, editor-in-chief
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Buku Referensi
Katz, Donald La Verne, author
McGraw-Hill, 1959
Buku Referensi
Hansen, Karen Lee, author
John Wiley & Sons, 2011
Buku Referensi
edited by Edwin H. Gaylord, Jr., Charles N. Gaylord, James E. Stallmeyer.
McGraw-Hill, 1997
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