Direction and coordination of supervision current practices of city superintendents
| Glavni avtor: | |
|---|---|
| Format: | Knjiga | 
| Jezik: | English | 
| Izdano: | Bloomington, Ill.
          Public school publishing co.
    
        [c1930]. | 
| Serija: | Northwestern university, Contributions to education, School of education series, no.3 | 
| Teme: |