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31
Exploring chemistry laboratory experiments in general, organic, and biological chemistry
Publicado em 1998Livro
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32
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33
Environmental education in the 21th century theory, practice, progress and promise
Publicado em 1998Livro -
34
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35
Assessing reasoning and problem solving a sourcebook for elementary school teachers
Publicado em 1998Livro -
36
Learning to teach science in secondary schools a companion to school experience
Publicado em 1998Livro -
37
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38
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39
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40