Returns to investment in education a further update
| Váldodahkki: | |
|---|---|
| Eará dahkkit: | |
| Materiálatiipa: | Girji |
| Giella: | eaŋgalasgiella |
| Almmustuhtton: |
Washington, D.C.
World Bank
2002.
|
| Ráidu: | Policy research working paper
no.2881 |
| Fáttát: |