TY  - BOOK
AU  - Devellis,Robert
ED  - Sage 
TI  - Scale development: Theory and applications 
SN  - 0761926054
U1  - 300.72 23
PY  - 2003///.
CY  - ; (Sage Publications): 
KW  - Scale development
KW  - Scaling (social sciences)
N1  - Includes bibliographical references and index
ER  -