An investigation of response error
| Prif Awdur: | |
|---|---|
| Awduron Eraill: | , |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Urbana
Bureau of Economic and Business Research, University of Illinois
1961.
|
| Cyfres: | Studies in consumer savings
no.2 |
| Pynciau: |