TY  - BOOK
AU  - DeVellis, Robert F.
TI  - Scale development: : theory and applications
SN  - 9781412980449
U1  - 300.72 DEV 
PY  - 2012///
CY  - Thousand Oaks, Calif. 
PB  - : SAGE
KW  - Social sciences
KW  - Social Change
KW  - Weights and Measures
KW  - Behavioral Research
KW  -  DeVellis,Robert F
KW  - and Scale development
ER  -