Direction and coordination of supervision current practices of city superintendents
| Autore principale: | |
|---|---|
| Natura: | Libro | 
| Lingua: | English | 
| Pubblicazione: | Bloomington, Ill.
          Public school publishing co.
    
        [c1930]. | 
| Serie: | Northwestern university, Contributions to education, School of education series, no.3 | 
| Soggetti: |