Cohort analysis
| Prif Awdur: | |
|---|---|
| Fformat: | Llyfr |
| Iaith: | English |
| Cyhoeddwyd: |
Beverly Hills, California
Sage
©1977.
|
| Cyfres: | Quantitative applications in the social sciences
ser. no. 07-005 |
| Pynciau: |