The relative merits of three methods of subtraction : an experimental comparison of the decomposition method of subtraction with the equal additions method and the Austrian method

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タイトル: "The relative merits of three methods of subtraction : an experimental comparison of the decomposition method of subtraction with the equal additions method and the Austrian method"

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Reprint of the 1938 ed., issued in series: Teachers College, Columbia University. Contributions to education, no. 738

Originally presented as the author's thesis, Columbia

Bibliography: p. 72-76