TY  - BOOK
AU  - Litwin, Mark S.
TI  - How to measure survey reliability and validity
SN  - 9780803957046
U1  - 300.723 LIT 
PY  - 1995///
CY  - Thousand Oaks
PB  - SAGE
KW  - social surveys
KW  - Surveys
KW  - Methodology
KW  - Social sciences
KW  -  Research
N1  - includes bibliographical references
ER  -