Llwytho...
Introduction to work Study
| Prif Awdur: | |
|---|---|
| Fformat: | Printed Book |
| Iaith: | English |
| Cyhoeddwyd: |
Geneva, ILO
ILO
1978
|
| Rhifyn: | 3rd Rev Ed |
| Disgrifiad o'r Eitem: | Bibliog.p. 439-441 |
|---|---|
| Disgrifiad Corfforoll: | xiv, 442 p. |