On the accuracy of economics observations
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Princeton, N. J.
Princeton University Press
1963.
|
| Rhifyn: | 2nd ed., completely rev. |
| Pynciau: |
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Princeton, N. J.
Princeton University Press
1963.
|
| Rhifyn: | 2nd ed., completely rev. |
| Pynciau: |