Krug, Ronald S.
Behavioral sciences
Springer-Verlag, 1992
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Krug, Ronald S.
Behavioral sciences
Springer-Verlag, 1992
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Gravetter, Frederick J.
Statistics for the behavioral sciences
Wadsworth/Thomson Learning, 2000
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Gravetter, Frederick J.
Statistics for the behavioral sciences
Wadsworth/Thomson Learning, 2004
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Kaplan, Robert M.
Basic statistics :for the behavioral sciences
Allyn and Bacon, 1987
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