GRAVELLS, A. (2014). Achieving your assessor and quality assurance units (TAQA). Sage Publications.
Chicago Style (17. basım) AtıfGRAVELLS, Ann. Achieving Your Assessor and Quality Assurance Units (TAQA). Sage Publications, 2014.
MLA (9th ed.) AtıfGRAVELLS, Ann. Achieving Your Assessor and Quality Assurance Units (TAQA). Sage Publications, 2014.
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