A Handbook for the improvement of texbooks and teaching materials as aids to international understanding
| Main Author: | UNESCO |
|---|---|
| Format: | Referensi |
| Language: | Eng |
| Published: |
Unesco
1949
|
| Subjects: | |
| Online Access: |
http://www.library.usd.ac.id//web/index.php?pilih=search&p=1&q=19457&go=Detail |