Larsen, Richard J.
Prentice-Hall, 1996
Buku Teks
Wilcox, Rand R., author
Oxford University Press, 2009
Buku Teks
Stilson, Donald W.
Holden-Day , 1966
Buku Teks
Salkind, Neil J., author
Sage Publications, 2004
Buku Teks
Jacod, Jean, author
Springer, 2012
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