The number combinations, their relative difficulty and the frequency of their appearance in text-books,
Tallennettuna:
| OCLC: | 4285002 |
|---|---|
| Päätekijä: | |
| Muut tekijät: | |
| Kieli: | English |
| Julkaistu: |
Madison, Wis.
[1924]
|
| Sarja: | University of Wisconsin. Bureau of Educational Research. Bulletin no. 2. July 1924.
|
| Aiheet: | |
| Aineistotyyppi: | Monograph Note that CRL will digitize material from the collection when copyright allows. |