Adult education a comparative study.
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua | 
| Hizkuntza: | English | 
| Argitaratua: | London
          Routledge & Paul
    
        [1959]. | 
| Edizioa: | [2d ed.]. | 
| Saila: | International library of sociology and social reconstruction | 
| Gaiak: |