The authors report the results of some half dozen years of research into when and how children acquire numerical skills. They provide a new set of answers to these questions, and overturn much of the traditional wisdom on the subject.
發表於2025-01-25
The Child's Understanding of Number 2025 pdf epub mobi 電子書 下載
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The Child's Understanding of Number 2025 pdf epub mobi 電子書 下載