http://purl.org/dc/terms/source
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https://en.wikipedia.org/wiki/Alan_Kennedy_(psychologist) (accessed 2019-09-30)
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https://www.dundee.ac.uk/psychology/staff/profile/alan-kennedy.php/ (accessed 2019-09-30)
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https://www.wikidata.org/entity/Q4707040 (accessed 2020-08-28)
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