O'Connor, K. (2013). The school leader's guide to grading. Solution Tree Press.
Tohutoru Kātū Chicago (17th ed.)O'Connor, Ken. The School Leader's Guide to Grading. Bloomington, Ind.: Solution Tree Press, 2013.
Tohutoro MLA (9th ed.)O'Connor, Ken. The School Leader's Guide to Grading. Solution Tree Press, 2013.
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