Walpole, Ronald E.
Macmillan, 1972
Buku Teks
Walpole, Ronald E.
Prentice-Hall, 1993
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Navidi, william
McGraw-Hill, 2010
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Walpole, Ronald E.
Prentice-Hall, 2002
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Ronald E. Walpole, author; Raymond H. Myers, author; Sharon L. Myers, author; Keying Ye, author
Pearson, 2016
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