TY  - BOOK
AU  - Colton, David
AU  - Covert, Robert W.
TI  - Designing and Constructing Instruments for Social Research and Evaluation
SN  - 0787987848
U1  - 300.72 
PY  - 2007///
CY  - San Francisco
PB  - John and Wiley Sons, Inc.
KW  - Research Methodology
KW  - Social Science
ER  -