Czaja, Ronald
Designing surveys : a guide to decisions and procedures / Ronald Czaja, Johnny Blair. - 2nd ed. - Pine Forge Press 2005.
13737
Surveys
Sampling (Statistics)
HA31.2 / Cza
Designing surveys : a guide to decisions and procedures / Ronald Czaja, Johnny Blair. - 2nd ed. - Pine Forge Press 2005.
13737
Surveys
Sampling (Statistics)
HA31.2 / Cza