Studying the child in the school.
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Argitaratua: |
New York
John Wiley and Sons, Inc.
c1966
|
| Gaiak: |
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Argitaratua: |
New York
John Wiley and Sons, Inc.
c1966
|
| Gaiak: |