Supervising instruction in secondary schools
| Egile nagusia: | |
|---|---|
| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York
McGraw-Hill
1955.
|
| Saila: | McGraw-Hill series in education
|
| Gaiak: |