TY  - BOOK
AU  - De Vaus, D. A.
TI  - Research design in social research
SN  - 0761953469
U1  - 300/.7/2  21
PY  - 2001///
CY  - London
PB  - SAGE
KW  - Social sciences
KW  -  Research
N1  - Includes bibliographical references and index
ER  -