Devine, Donald F.
Elementary mathematics
John Wiley & Sons, 1977
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Paige, Donald D.
Elementary mathematics
Prindle, Weber & Schmidt, 1969
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Nichols, Eugene D.
College mathematics
Rinehart Press, 1975
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Ewen, Dale
Elementary technical mathematics
Thomson Brooks/Cole, 2007
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Krause, Eugene F.
Mathematics for elementary teachers
Prentice-Hall, 1978
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