Questions and answers in attitude surveys experiments on question form, wording, and context
| Egile nagusia: | |
|---|---|
| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Thousand Oaks, Calif.
Sage
c1996
|
| Gaiak: |