TY  - BOOK
AU  - Czaja,Ronald
AU  - Blair,Johnny
TI  - Designing surveys: a guide to decisions and procedures 
SN  - 0761927468
PY  - 2005///
CY  - Thousand Oaks, California
PB  - Pine Forge Press
KW  - Surveys
KW  - Sampling (Statistics)
ER  -