TY  - BOOK
AU  - De Vaus,David A.
TI  - Research design in social research
SN  - 978-0-7619-5347-0
AV  - H61.D3375 
PY  - 2001///
CY  - London
PB  - : SAGE Publications Ltd.
KW  - Social sciences -- Research -- Methodology
N1  - Includes bibliographical references and index
ER  -