Samuel Knapp

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Anxiety Disorders: A Scientific Approach for Selecting the Most Effective Treatment (Practitioner's Resource Series)
Knapp, Samuel; VandeCreek, Leon

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A Guide to the 2002 Revision of the American Psychological Association's Ethics Code
Knapp, Samuel; VandeCreek, Leon; American Psychological Association

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Practical Ethics for Psychologists: A Positive Approach
Knapp, Samuel J.; VandeCreek, Leon

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� 3.86

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Practical Ethics for Psychologists: A Positive Approach
Samuel J. Knapp; Leon D. VandeCreek; Randy Fingerhut

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� 8.90

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Practical Ethics for Psychologists: A Positive Approach
Knapp, Samuel J.; Fingerhut, Randy

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� 42.95

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