The effective school principal in elementary and secondary schools
Gorde:
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
New York,
Prentice-Hall,
1954.
|
| Gaiak: |
CARM 1 Store
| Sailkapena: |
A2:AH35B0 B03616 |
|---|---|
| Alea 1 | Eskuragarri Erreserbatu |