Berger, A. (2015). Validating analytic rating scales: A multi-method approach to scaling descriptors for assessing academic speaking. Peter Lang.
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Chicago-čujuhus (17. p.)
Berger, Armin. Validating Analytic Rating Scales: A Multi-method Approach to Scaling Descriptors for Assessing Academic Speaking. Frankfurt am Main ; New York: Peter Lang, 2015.
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MLA-čujuhus (9. p.)
Berger, Armin. Validating Analytic Rating Scales: A Multi-method Approach to Scaling Descriptors for Assessing Academic Speaking. Peter Lang, 2015.
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