Ayala R. J. de
Theory and practice of item response theory
- New York The Guilford Press USA 2009
- xv,448p. cm.
- Methology in the social sciences .
9781593858698 (hbk) 2993.40
242,678
28031, 20/07/2009, Segment Book Distributors Textual
PSYCHOLOGY
S:7:6, P9