TY  - BOOK
AU  - Vaus David de
TI  - Social Surveys 2 Vol 1
SN  - 9781412923682
U1  - 300.723 VAU 
PY  - 2007///
CY  - Los Angeles
PB  - Sage Publications
KW  -  Ethics
KW  -  Vaus David de
KW  - Social Survey
ER  -