(2007). Subgroups & Adequate Yearly Progress in Mid-Atlantic Region Schools. Regional Educational Laboratory Program.
Παραπομπή σε μορφή Chicago (17η εκδ.)Subgroups & Adequate Yearly Progress in Mid-Atlantic Region Schools. Regional Educational Laboratory Program, 2007.
Παραπομπή σε μορφή MLA (9th εκδ.)Subgroups & Adequate Yearly Progress in Mid-Atlantic Region Schools. Regional Educational Laboratory Program, 2007.
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