(2007). Review of Methods & Instruments Used In State & Local School Readiness Evaluations. Regional Educational Laboratory Program.
Παραπομπή σε μορφή Chicago (17η εκδ.)Review of Methods & Instruments Used In State & Local School Readiness Evaluations. Regional Educational Laboratory Program, 2007.
Παραπομπή σε μορφή MLA (9th εκδ.)Review of Methods & Instruments Used In State & Local School Readiness Evaluations. Regional Educational Laboratory Program, 2007.
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