Statistical sourcs for market research.
| Erakunde egilea: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
London
Market Research Society in association with the Oakwood Press
c1957.
|
| Saila: | Its Publications, no. 2
|
| Gaiak: |