John J. Wheeler grāmatas
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-30%
The Social Validity Manual Subjective Evaluation of Interventions
Stacy L. Carter, John J. Wheeler
151,13 €
215,90 €
-30% ar kodu BOOKS
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-30%
Behavior Management: Principles and Practices of Positive Behavior Supports
John J. Wheeler, John Wheeler, David Dean Richey
114,34 €
163,35 €
-30% ar kodu BOOKS
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