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Einstein never used flash cardshow our children really learn--and why they need to play more and memorize lessBook由 Hirsh-Pasek, Kathy
出版 2003 -
You are your child's first teacherencouraging your child's natural development from birth to age sixBook由 Baldwin, Rahima, 1949-
出版 2012 -
由 Gentry, J. Richard
出版 2010