TY  - BOOK
AU  - De Vaus,D.A.
TI  - Research design
SN  - 0761944877 (hbk. : 4 vol. set)
U1  - 300.18 
PY  - 2005///
CY  - London, Thousand Oaks
PB  - SAGE
KW  - Social sciences
KW  - Research
N1  - 4 Volumes
ER  -