Popham, W. J. (1971). Criterion-Referenced Measurement: An introduction. Educational Technology Publications.
Citace podle Chicago (17th ed.)Popham, W. James. Criterion-Referenced Measurement: An Introduction. Englewood Cliffs: Educational Technology Publications, 1971.
Citace podle MLA (9th ed.)Popham, W. James. Criterion-Referenced Measurement: An Introduction. Educational Technology Publications, 1971.
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