Cigarettes and alcohol : substitutes or complementsn
| Váldodahkki: | |
|---|---|
| Eará dahkkit: | |
| Materiálatiipa: | Girji |
| Giella: | eaŋgalasgiella |
| Almmustuhtton: |
Cambridge
National Bureau of Economic Research
2000.
|
| Ráidu: | NBER working paper series
no.7535 |
| Fáttát: |