Fisher, Ronald A.
Statistics methods for research workers
Oliver and Boyd, 1950
 Buku Teks SO
Johnson, Palmer O.
Introduction to statistical methods
Prentice-Hall, 1953
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Johnson, Palmer O.
Modern statistics methods : descriptive and inductive
Rand McNally, 1959
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Kendall, M.G.
Exercises in theoritical statistics with answers and hints on solutions
Griffin , 1968
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Tippett, L.H.C.
The methods of statistics
Williams and Norgate, 1952
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