A handbook for the improvement of textbooks and teaching materials as aids to international understanding.
Uloženo v:
| Korporativní autor: | |
|---|---|
| Médium: | Kniha |
| Jazyk: | English |
| Vydáno: |
Paris :
UNESCO,
1949.
|
| Edice: | Publications / Unesco ;
no.368 |
| Témata: |
| Žádný popis. |