Everitt, B.S.
The analysis of contingency tables
Chapman & Hall, 1977
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Conover, W.J.
Practical nonparametric statistics
John Wiley & Sons, 1980
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Conover, W.J.
Practical nonparametric statistics
John Wiley & Sons, 1999
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Randles, Ronald H.
Introduction to the theory of nonparametric statistics
John Wiley & Sons, 1979
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Desu, M.M.
Nonparametric statistical methods for complete and censored data/ M.M. Desu; D. Raghavarao
Chapman & Hall , 2004
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