Nichols, Eugene D.
College mathematics / by Eugene D. Nichols
Rinehart Press, 1975
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Krause, Eugene F.
Mathematics for elementary teachers / Eugene F. Krause
Prentice-Hall, 1978
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Paige, Donald D.
Elementary mathematics / by Donald D. Paige
Prindle, Weber & Schmidt Inc., 1969
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Willson, Jack D.
Elementary mathematics a modern approach / Jack D. Willson
McGraw-Hill , 1967
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Bitter, Gary G.
Mathematics methods for the elementary and middle school : a comprehensive approach
Allyn and Bacon, 1989
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