Polya, George
Mathematical discovery : on understanding, learning, and teaching problem solving
John Wiley & Sons, 1981
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Robertson, S. Ian
Problem solving
Psychology Press, 2001
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Fox, William M
Effective group problem solving/ William M Fox
Jossey Bass, 1987
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Briggs, William
Ants, bikes, and clocks: problem solving for undergraduates
Society for Industrial and Applied Mathematics, 2005
eBooks
Hodnett, Edward
The Art of problem solving how to improve your methods
Harper & Brothers, 1955
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