American Psychological Association, 1985
Buku Teks
Brown, Frederick G.
Dryden Press, 1970
Buku Teks
Kubiszyn, Tom
John Wiley & Sons, 2003
Buku Teks
edited by Robert L. Linn ; sponsored jointly by National Council on Measurement in Education and American Council on Education
New York, 1989
Buku Teks
Leighton, Jacqueline P.
Oxford University Press, 2017
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