Performance evaluation for professional personnel
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
Work in America Institute
c1980.
|
| Cyfres: | Highlights of the literaruture : 14
Work in America Institute Studies in productivity |
| Pynciau: |