The number combinations, their relative difficulty and the frequency of their appearance in text-books,
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| OCLC: | 4285002 |
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| Главный автор: | |
| Другие авторы: | |
| Язык: | English |
| Опубликовано: |
Madison, Wis.
[1924]
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| Серии: | University of Wisconsin. Bureau of Educational Research. Bulletin no. 2. July 1924.
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| Предметы: | |
| Формат: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| Объем: | 120 p. diagrs. 23 cm. |
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| Библиография: | Bibliography: p. 118-120. |