Communication research, information campaigns and training.
| Körperschaften: | , |
|---|---|
| Format: | Buch |
| Sprache: | English |
| Veröffentlicht: |
Quezon City
[s.n.]
1974.
|
| Schriftenreihe: | Its Monograph series
no.2 |
| Schlagworte: |