TY  - BOOK
AU  - DeVellis,Robert F.
TI  - Scale development: theory and applications 
SN  - 9781506341569 (pbk. : alk. paper)
AV  - H 61.27 DEV
PY  - 2017///
CY  - Los Angeles
PB  - SAGE
KW  - Scaling (Social sciences)
N1  - Includes index
ER  -