Klugh, Henry E.
Statistics : the essentials for research
John Wiley & Sons, 1974
 Buku Teks
McClave, James T.
Statistics
Dellen Publishing, 1979
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Hays, William Lee, 1926-1995
Statistics
Harcourt Brace Colege, 1994
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McClave, James T.
Statistics
Dellen Publishing, 1985
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McClave, James T.
Statistics
Pearson, 2017
 Buku Teks