Guide to tools and equipment for labour-based road construction.
| Fformat: | Llyfr |
|---|---|
| Iaith: | English |
| Cyhoeddwyd: |
Geneva
International Labour Office
1981.
|
| Cyfres: | A WEP study
|
| Pynciau: |
| Fformat: | Llyfr |
|---|---|
| Iaith: | English |
| Cyhoeddwyd: |
Geneva
International Labour Office
1981.
|
| Cyfres: | A WEP study
|
| Pynciau: |