Quantification of road user savings
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Washington, D.C.
International Bank for Reconstruction and Development
[c1966].
|
| Saila: | World Bank staff occasional paper
no.2 |
| Gaiak: |