O´Connel, S., & SanGiovanni, . J. Mastering the basic math facts in addition and subtraction: Strategies, activities interventions to nove students beyond memorization.
Cita Chicago Style (17a ed.)O´Connel, Susan, y John SanGiovanni. Mastering the Basic Math Facts in Addition and Subtraction: Strategies, Activities Interventions to Nove Students Beyond Memorization.
Cita MLA (8a ed.)O´Connel, Susan, y John SanGiovanni. Mastering the Basic Math Facts in Addition and Subtraction: Strategies, Activities Interventions to Nove Students Beyond Memorization.
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