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Centre for Evaluation in Education and Science (CEON/CEES), 2017
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Centre for Evaluation in Education and Science (CEON/CEES), 2016
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Centre for Evaluation in Education and Science (CEON/CEES), 2016
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Centre for Evaluation in Education and Science (CEON/CEES), 2015
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Centre for Evaluation in Education and Science (CEON/CEES), 2013
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Elsevier BV, 1991