The number combinations, their relative difficulty and the frequency of their appearance in text-books,
Sábháilte in:
| OCLC: | 4285002 |
|---|---|
| Príomhchruthaitheoir: | |
| Rannpháirtithe: | |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Madison, Wis.
[1924]
|
| Sraith: | University of Wisconsin. Bureau of Educational Research. Bulletin no. 2. July 1924.
|
| Ábhair: | |
| Formáid: | Monograph Note that CRL will digitize material from the collection when copyright allows. |