The activities of some centers engaged in research and information programmes in the field of youth an annotated list and commentary

Sonraí bibleagrafaíochta
Údar corparáideach: United Nations. Dept. of International Economic and Social Affairs
Formáid: LEABHAR
Teanga:English
Foilsithe / Cruthaithe: New York United Nations 1980.
Eagrán:1979 ed.
Ábhair: