How to evaluate mass communications the controlled field experiment
| Main Author: | |
|---|---|
| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
[New york
Advertising resaerch foundation
c1968].
|
| Subjects: |
| Main Author: | |
|---|---|
| Corporate Author: | |
| Format: | Book |
| Language: | English |
| Published: |
[New york
Advertising resaerch foundation
c1968].
|
| Subjects: |