The number combinations, their relative difficulty and the frequency of their appearance in text-books,
Na minha lista:
| OCLC: | 4285002 |
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| Autor principal: | |
| Outros Autores: | |
| Idioma: | English |
| Publicado em: |
Madison, Wis.
[1924]
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| coleção: | University of Wisconsin. Bureau of Educational Research. Bulletin no. 2. July 1924.
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| Assuntos: | |
| Formato: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| Descrição Física: | 120 p. diagrs. 23 cm. |
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| Bibliografia: | Bibliography: p. 118-120. |