Youth and the changing secondary school / Richard D'aeth. -
- Hamburg : UNESCO institute for Education, 1973.
- 72 leaves. -
- International studies in esducation ;34 .
Report of Conference on "Educational Research on the changing role of the Secondary school; 1-5 November 1971, organised by the UNESCO Institute for Education, Hamburg, in co-operation with the International association for the advancement of educational research.