Education and the creative potential
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | Minneapolis
          University of Minnesota Press
    
        [1963] | 
| Saila: | The Modern school practices series
              no. 5 | 
| Gaiak: |