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1Foilsithe / Cruthaithe 1992“...American Psychological Association,...”
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2Foilsithe / Cruthaithe 2003“...American Psychological Association,...”
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3Foilsithe / Cruthaithe 1998“...American Psychological Association,...”
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4
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5Foilsithe / Cruthaithe 2011“...American Psychological Association,...”
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6Foilsithe / Cruthaithe 2000“...American Psychological Association ; Oxford University Press,...”
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