Direction and coordination of supervision current practices of city superintendents
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Bloomington, Ill.
Public school publishing co.
[c1930].
|
| Saila: | Northwestern university, Contributions to education, School of education series, no.3
|
| Gaiak: |