Knoch, U. (2009). Diagnostic writing assessment: The development and validation of a rating scale. Peter Lang.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रKnoch, Ute. Diagnostic Writing Assessment: The Development and Validation of a Rating Scale. Frankfurt am Main: Peter Lang, 2009.
एमएलए (9वां संस्करण) प्रशस्ति पत्रKnoch, Ute. Diagnostic Writing Assessment: The Development and Validation of a Rating Scale. Peter Lang, 2009.
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