Felder, Richard M., author
John Wiley & Sons, 2000
Buku Teks
Felder, Richard M., author
John Wiley & Sons, 1978
Buku Teks
Felder, Richard M., author
John Wiley & Sons, 1986
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Murphy, Regina M.
McGraw-Hill, 2007
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John Wiley & Sons, 2005
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