Mail surveys improving the quality
| Príomhchruthaitheoir: | |
|---|---|
| Formáid: | LEABHAR |
| Teanga: | English |
| Foilsithe / Cruthaithe: |
Thousand Oaks, Calif.
Sage
c1995.
|
| Sraith: | Applied social research methods series
v. 40 |
| Ábhair: |