Walpole, Ronald E.
Macmillan, 1972
Buku Teks SO
Walpole, Ronald E.
Prentice-Hall, 1993
Buku Teks SO
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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Ross, Sheldon M.
Academic Press, 2014
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