The number combinations, their relative difficulty and the frequency of their appearance in text-books,
Guardat en:
| OCLC: | 4285002 |
|---|---|
| Autor principal: | |
| Altres autors: | |
| Idioma: | English |
| Publicat: |
Madison, Wis.
[1924]
|
| Col·lecció: | University of Wisconsin. Bureau of Educational Research. Bulletin no. 2. July 1924.
|
| Matèries: | |
| Format: | Monograph Note that CRL will digitize material from the collection when copyright allows. |
| Descripció física: | 120 p. diagrs. 23 cm. |
|---|---|
| Bibliografia: | Bibliography: p. 118-120. |