Tehnik Berbicara yang meyakinkan dan efektif
| Main Author: | JEHAN, W.George |
|---|---|
| Other Authors: | Martodipuro, Sumantri |
| Format: | Serial |
| Language: | Indonesian |
| Published: |
Jakarta
Gunung Jati
1979
|
| Edition: | Cet. 1 |
| Subjects: |