Strecker, Edward A.
Discovering ourselves: a view of the human mind and how it works
Macmillan, 1966
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Wonnacott, Ronald J.
Statistics : discovering its power
John Wiley & Sons, 1982
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Fritz, Roger
The power of a positive attitude: discovering the key to success
American Management Association, 2008
 eBooks
Slipman, Sue
Helping ourselves to power : a handbook for women on the skills of public life / Sue Slipman
Pergamon Press, 1986
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Nadya Putri
The shadow effect: illuminating the hidden power of your true self
Harper One, 2010
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