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  1. 221

    Experiences for the first, second & third years of the junior secondary course

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    Experiences for the first, second & third years of the junior secondary course
  2. 222

    The complete workbook for science fair projects. od Bochinski, Julianne Blair

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    The complete workbook for science fair projects.
  3. 223

    Convergence of mathematical thinking and citizen science opportunities and challenges od Gonzales, Abigail B.

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    Convergence of mathematical thinking and citizen science opportunities and challenges
  4. 224

    Science project handbook

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    Science project handbook

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