Advertising, competition, and the price of eyeglasses
| Egile nagusia: | |
|---|---|
| Beste egile batzuk: | |
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D. C.
American Enterprise Institute
1975.
|
| Saila: | AEI reprint
no. 36. |
| Gaiak: |