Hardle, Wolfgang Karl
Springer, 2012
eBooks
Johnson, Richard A.
Pearson Education International, 2007
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Raykov, Tenko
Routledge, Taylor & Francis Group, 2008
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Schafer, J.L.
Chapman & Hall, 1997
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Joseph F. Hair Jr., author; William C. Black, author; Barry J. Babin, author; Rolph E. Anderson, author
Pearson, 2014
Buku Teks