Whitesitt, J. Eldon
Principles of modern algebra
Addison-Wesley, 1972
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Shiskowski, Kenneth M.
Principles of linear algebra with mathematica
John Wiley & Sons, 2011
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Keedy, Mervin L.
A problem-solving approach to intermediate algebra
Addison-Wesley, 1986
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Sloyer, Clifford W.
Algebra and its applications : a problem solving approach
Addison-Wesley, 1970
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Watzlawick, Paul
Change : Principles of Problem Formation and Problem Resolution
W.W. Norton & Company, 1974
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