Books listed by ISBN
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The Guilford Press
> R. J. de Ayala
R. J. de Ayala
title
ISBN-13
(ISBN-10)
year of publication
The Theory and Practice of Item Response Theory
978-1-59385-869-8
(1-59385-869-8)
2008
D.A.
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De A.
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J. A.
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J. Ayala
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J.D.
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R. A.
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R.D.
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R.J.
R. J. de Ayala PhD