Goldenberg, E. P., Douglas H., C., Dougherty, B. J., & Zbiek, R. M. Developing essential understanding of geometry for teaching mathematics in prekindergarten - grade 2.
Παραπομπή σε μορφή Chicago (17η εκδ.)Goldenberg, Ernest Paul, Clements Douglas H., Barbara J. Dougherty, και Rose Mary Zbiek. Developing Essential Understanding of Geometry for Teaching Mathematics in Prekindergarten - Grade 2.
Παραπομπή σε μορφή MLA (8th εκδ.)Goldenberg, Ernest Paul, et al. Developing Essential Understanding of Geometry for Teaching Mathematics in Prekindergarten - Grade 2.
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