Langley, Russell
Practical statistics simply explained
Dover , 1971
Buku Teks
Tannenbaum, Donald G.
Inventors of ideas : an introduction to Western political philosophy / Donald G. Tannenbaum
Wadsworth/Thomson learning, 2004
Buku Teks
Flew, Antony
An introduction to Western philosophy: ideas and argument from Plato to Popper / Antony Flew
Thames and Hudson , 1989
Buku Teks
Lewis, John P.
Statistics explained
Addison-Wesley, 1999
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Arnaud, A. A.
Investment trusts explained / A. A. Arnaud
Woodhead-Faulkner, 1985
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