Gabions /
Wedi'i Gadw mewn:
| Awduron Corfforaethol: | , |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Geneva :
International Labour Office,
1986.
|
| Cyfres: | Training element and technical guide for SPWP workers. Booklet ;
no. 3 |
| Pynciau: |
Tabl Cynhwysion:
- [1] Text
- [2] Trainer's copy.