TY  - BOOK
AU  - DEVELLIS ROBERT F.
TI  - SCALE DEVELOPMENT ,THEORY AND APPLICATION
U1  - 300.72  DEV-S 
PY  - 1991///
KW  - SCALE DEVELOPMENT ,THEORY AND APPLICATION         DEVELLIS ROBERT F.    UNDERSTANDING THE LATENT VARIABLE, RELIABILITY, VALIDITY, GUIDELINES, FACTOR ANALYTIC STRATEGIES,
ER  -