TY  - BOOK
AU  - Sapsford Roger
TI  - Survey research
SN  - 978-1-4129-1232-7
U1  - 001.433 
PY  - 2007///
CY  - London
PB  - Sage
KW  - Social sciences-methodology
KW  - Social surveys
KW  - Survey research
ER  -