International standard classification of occupations major minor and unit groups ; final draft.
| Corporate Authors: | , |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Geneva
[s.n.]
1957.
|
| Subjects: |
| Corporate Authors: | , |
|---|---|
| Format: | Book |
| Language: | English |
| Published: |
Geneva
[s.n.]
1957.
|
| Subjects: |