Long, Calvin T.
Mathematical reasoning for elementary teachers
Pearson - Addison Wesley, 2009
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Bundy, Alan
The computer modelling of mathematical reasoning
Academic Press, 1983
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Wheeler, Roger F.
Rethinking mathematical concepts
Ellis Horwood, 1981
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Saaty, Thomas L.
Mathematical methods of operations research
McGraw-Hill, 1959
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Miller, Charles D.
Mathematical ideas an introduction
Scott, Foresman, 1969
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