Encyclopedia of educational research
| Rannpháirtithe: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | German |
| Foilsithe / Cruthaithe: |
New York :
Macmillan,
1950
|
| Eagrán: | Rev. ed. |
| Cur síos ar an mír: | Handbibliothek 3/07 02765sim Ernst Simon-Bibliothek |
|---|---|
| Cur síos fisiciúil: | XXVI, 1520 S. |
| Gairmuimhir: | Handbibliothek 3/07 |