Longitudinal research
| Huvudupphovsman: | |
|---|---|
| Materialtyp: | Bok |
| Språk: | English |
| Publicerad: |
Newbury Park, Calif.
Sage
c1991.
|
| Serie: | Sage university papers series. Quantitative applications in the social sciences
no.07-076 |
| Ämnen: |