Sarafino, Edward P., author
John Wiley & Sons, 1990
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LTCB International Library Foundation, 1999
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Goldstein, Arnold P., author
John Wiley & Sons, 2002
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Tedeschi, James T., author
American Psychological Association , 1994
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Sloyer, Clifford W., author
Addison-Wesley, 1970
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