Polya, George
Mathematical discovery : on understanding, learning, and teaching problem solving
John Wiley & Sons, 1981
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Snover, Stephen L.
Mathematical problem-solving with the microcomputer project to increase your basic programming skill
Prentice-Hall, 1982
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Azer, Samy
Navigating : problem-based learning
Elsevier, 2008
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Amador, Jose A.
The practice of problem-based learning
Anker Publishing, 2006
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Problem-based learning and creativity
edited by Oon-Seng Tan
Cengage Learning, 2009
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