Books by David J Weiss
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-20%
The Theory and Practice of Item Response Theory, Second Edition
David J. Weiss, R. J. de Ayala, Bruno D. Zumbo, Mark Reckase, Scott Hofer
€140.68
€175.85
-20% with code BOOKS
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-20%
Computerized Adaptive Testing: From Concept to Implementation
€125.94
€157.43
-20% with code BOOKS
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