Snedecor, George W.
Statistical methods, applied, to experiment in agriculture and biology
The Iowa State University Press, 1962
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Canavos, George C.
Applied probability and statistical methods
Little, Brown, 1984
 Buku Teks SO
Snedecor, George W.
Statistical methods
The Iowa State University Press, 1950
 Buku Teks SO
Snedecor, George W.
Statistical methods
Iowa State University Press, 1989
 Buku Teks SO
Snedecor, George W.
Statistical methods
The Iowa State University Press, 1982
 Buku Teks SO