Spangler, D. B. (2010). Strategies for teaching whole number computation: Using error analysis for intervention and assessment. Corwin.
Citace podle Chicago (17th ed.)Spangler, David B. Strategies for Teaching Whole Number Computation: Using Error Analysis for Intervention and Assessment. Thousand Oaks, Calif: Corwin, 2010.
Citace podle MLA (9th ed.)Spangler, David B. Strategies for Teaching Whole Number Computation: Using Error Analysis for Intervention and Assessment. Corwin, 2010.
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