A handbook for the improvement of textbooks and teaching materials as aids to international understanding.
Saved in:
| Institution som forfatter: | |
|---|---|
| Format: | Bog |
| Sprog: | English |
| Udgivet: |
Paris :
UNESCO,
1949.
|
| Serier: | Publications / Unesco ;
no.368 |
| Fag: |
| Ingen beskrivelse tilgængelig. |