Langley, Russell
Practical statistics simply explained
Dover , 1971
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Flew, Antony
An introduction to Western philosophy: ideas and argument from Plato to Popper
Thames and Hudson, 1989
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Tannenbaum, Donald G.
Inventors of ideas : an introduction to Western political philosophy / Donald G. Tannenbaum
Wadsworth/Thomson learning, 2004
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Lewis, John P.
Statistics explained
Addison-Wesley, 1999
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Drake, W.M.
Cardiology explained
Chapman & Hal, 1997
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