Nichols, Eugene D.
Mathematics for the elementary school teacher / Eugene D. Nichols
Holt, Rinehart and Winston, 1971
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Peterson, John M.
Basic concepts of elementary mathematics / by John M. Peterson
Prindle, Weber & Schmidt Inc, 1971
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Bitter, Gary G., author
Mathematics methods for the elementary and middle school : a comprehensive approach
Allyn and Bacon, 1989
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Schaaf, William L.
Basic concepts of elementary mathematics /William L. Schaaf
Wiley-Academy, 1965
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Willson, Jack D.
Elementary mathematics a modern approach / Jack D. Willson
McGraw-Hill , 1967
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