Information sources on industrail maintenance and repair.
| Awdur Corfforaethol: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
United Nations
1979.
|
| Cyfres: | UNIDO Guides to Information Sources No.36
|
| Pynciau: |