Research designs
| Egile nagusia: | |
|---|---|
| Formatua: | Liburua |
| Hizkuntza: | English |
| Argitaratua: |
Newbury Park, Calif.
Sage
c1981.
|
| Saila: | A Sage university paper. Quantitative applications in the social sciences
no.07-023 |
| Gaiak: |