A handbook for the improvement of textbooks and teaching materials as aids to international understanding.
Wedi'i Gadw mewn:
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Paris :
UNESCO,
1949.
|
| Cyfres: | Publications / Unesco ;
no.368 |
| Pynciau: |
CARM 1 Store
| Rhif Galw: |
A2:AQ12G0 A04094 |
|---|---|
| Copi 1 | Ar gael Gwneud Cais |