Selection of road projects and the identification of the approriate road construction technology general considerations.
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Geneva
International Labour Office
1975
|
| Cyfres: | Working paper / World employment programme research. Technology and Employment Project
no.14 |
| Pynciau: |