Cohort analysis
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Beverly Hills, California
Sage
©1977.
|
| Saila: | Quantitative applications in the social sciences
ser. no. 07-005 |
| Gaiak: |