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Glenview, Ill. [u.a.]: Scott, Foresman and Co., 1987
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American Psychological Association (APA), 2005
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Elsevier BV, 1999
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American Psychological Association (APA), 1994
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American Psychological Association (APA), 1994
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American Psychological Association (APA), 1995
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American Psychological Association (APA), 2005
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American Psychological Association (APA), 2003
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American Psychological Association (APA), 2003
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American Psychological Association (APA), 2002
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American Psychological Association (APA), 2002
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SAGE Publications, 2017
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American Psychological Association (APA), 2002
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American Psychological Association (APA), 2002
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American Psychological Association (APA), 2001
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American Psychological Association (APA), 2001
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American Psychological Association (APA), 2000
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American Psychological Association (APA), 2000
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American Psychological Association (APA), 2000
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American Psychological Association (APA), 2000