TY  - BOOK
AU  - DeVellis,Robert F.
TI  - Scale development : theory and applications
SN  - 9781412980449
AV  - H 61.27 D489s
PY  - 2012///
CY  - Thousand Oaks, Calif: 
PB  - SAGE Publications, 
KW  - Scaling (Social sciences)
ER  -