1.
Ordinal Item Response Theory: Mokken Scale Analysis (Quantitative Applications in the Social...
by Van Schuur, Wijbrandt H.
ISBN: 9781412988049
List Price: $17.95
3.
Ten Lectures on Language, Cognition, and Language Acquisition
by Bowerman, Melissa, van Schu...
ISBN: 9789004353022
List Price: $114.00