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出版Carson-Dellosa Publishing, 2005-08-01
主題Juvenile Nonfiction / Science & Nature / Experiments & Projects
ISBN160694052X9781606940525
URLhttp://books.google.com.hk/books?id=PgqIDwAAQBAJ&hl=&source=gbs_api
EBookSAMPLE
註釋Introduces Basic Scientific Principles Of Energy And Shows Readers How To Do Age-Appropriate, Simple Experiments And Projects.