Cohort analysis
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Newbury Park
Sage Pub.
[1977]
|
| Saila: | Sage university paper : Quantitative applications in the social sciences
ser. no. 07-005 |
| Gaiak: |