TY  - BOOK
AU  - De Vaus, David
TI  - Research design
SN  - 9780761944874
SN  - 200593738
U1  - 001.432 DAV .3 
PY  - 2006///
CY  - Thousand Oaks, CA
PB  - SAGE
KW  - Social sciences - Research
N1  - Includes bibliographical references
ER  -