O´Connel, S., & SanGiovanni, . J. Mastering the basic math facts in addition and subtraction: Strategies, activities interventions to nove students beyond memorization.
Chicago-Zitierstil (17. Ausg.)O´Connel, Susan, und John SanGiovanni. Mastering the Basic Math Facts in Addition and Subtraction: Strategies, Activities Interventions to Nove Students Beyond Memorization.
MLA-Zitierstil (8. Ausg.)O´Connel, Susan, und John SanGiovanni. Mastering the Basic Math Facts in Addition and Subtraction: Strategies, Activities Interventions to Nove Students Beyond Memorization.
Achtung: Diese Zitate sind unter Umständen nicht zu 100% korrekt.