TY  - BOOK
AU  - Czaja,Ronald
AU  -  Johnny Blair
TI  - Designing surveys:  : a guide to decisions and procedures
SN  - 0-7619-2746-8
AV  - HA31.2.C93 
PY  - 2005///
CY  - California
PB  - : Pine Forge Press
KW  - Surveys,
KW  - Sampling (statistics)
ER  -