The activities of some centers engaged in research and information programmes in the field of youth an annotated list and commentary
| Körperschaft: | |
|---|---|
| Format: | Buch | 
| Sprache: | English | 
| Veröffentlicht: | New York
          United Nations
    
        1980. | 
| Ausgabe: | 1979 ed. | 
| Schlagworte: |