rattle

  1. any journal or studies about "why is rattle appropriate for infant age 1 1/2 - 2 months.. pls post any links thank you very much
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  3. by   Jolie
    Quote from rome
    any journal or studies about "why is rattle appropriate for infant age 1 1/2 - 2 months.. pls post any links thank you very much

    Have you had a course on developmental psychology? If so, check your textbook. You should find this kind of information there.

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