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APA Citation
Zhang, X., McDermott, P. A., Fantuzzo, J. W., & Gadsden, V. L. (2013). longitudinal Stability of IRT and Equivalent-Groups Linear and Equipercentile Equating. Psychological reports, 113(1), 291–313. http://access.bl.uk/ark:/81055/vdc_100169709958.0x00000f