TY  - BOOK
AU  - Sapsford,Roger
TI  - Survey research 
SN  - 9781412912327
U1  - 300.723 22
PY  - 2007///
CY  - London 
PB  - Sage 
KW  - Social sciences
KW  - Methodology
KW  - Social surveys
N1  - Includes bibliographical references (p. [266]-270) and indexes
ER  -