GRAVELLS, A. (2013). Passing assessments for the award in education and training. Sage/Learning Matters.
शिकागो शैली (17वां संस्करण) प्रशस्ति पत्रGRAVELLS, Ann. Passing Assessments for the Award in Education and Training. Sage/Learning Matters, 2013.
एमएलए (9वां संस्करण) प्रशस्ति पत्रGRAVELLS, Ann. Passing Assessments for the Award in Education and Training. Sage/Learning Matters, 2013.
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