Demography
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Cambridge [Eng.]
Institute of Actuaries and the Faculty of Actuaries at the University Press
c1970.
|
| Rhifyn: | 4th ed. |
| Pynciau: |
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | Saesneg |
| Cyhoeddwyd: |
Cambridge [Eng.]
Institute of Actuaries and the Faculty of Actuaries at the University Press
c1970.
|
| Rhifyn: | 4th ed. |
| Pynciau: |