Human resources
| Awdur Corfforaethol: | |
|---|---|
| Awduron Eraill: | |
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
New York
National Bureau of Economic Research
1972.
|
| Cyfres: | Fiftieth Anniversary Colloquium series
General series National Bureau of Economic Research 96. Economic research: retrospect and prospect, v. 6 |
| Pynciau: |