TY  - BOOK
AU  - De Vaus,David
TI  - Social surveys
T2  - Sage benchmarks in social research methods
SN  - 0761973389
AV  - HN29 S624
PY  - 2002///
CY  - London
PB  - Sage
KW  - SOCIAL SURVEYS
N1  - Includes bibliographical references
ER  -