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John O Willis
John O Willis is the author of "Essentials of IDEA for Assessment Professionals", "Essentials of DAS-II Assessment", "Essentials of Idea for Assessment Professionals" and "Pseudoscience".
Books by John O Willis
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Essentials of DAS...
Dumont, Ron
Electronic book text:
Pseudoscience
Kaufman Allison B.
Digital (delivered electronically):
$52.95
Essentials of DAS...
Dumont, Ron
Paperback:
$57.25
Essentials of IDE...
McBride, Guy
Electronic book text: