Cite
MLA Citation
Unknown. Fundamentals of item response theory. Thousand Oaks : SAGE Publications, Inc, 1991. http://access.bl.uk/ark:/81055/vdc_100025425109.0x000001
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Unknown. Fundamentals of item response theory. Thousand Oaks : SAGE Publications, Inc, 1991. http://access.bl.uk/ark:/81055/vdc_100025425109.0x000001