Showing 1 - 7 results of 7 for search 'Helena Becker', query time: 0.01s Refine Results
  1. 1
    Abra sua janela para o céu

    Abra sua janela para o céu by Silvia Helena Becker Livi

    Published 1987-01-01
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  2. 2
    Pense e responda!

    Pense e responda! by Silvia Helena Becker Livi

    Published 1990-01-01
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  3. 3
    A terra e o homem no universo

    A terra e o homem no universo by Silvia Helena Becker Livi

    Published 1990-01-01
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  4. 4
    Já lhe perguntaram...

    Já lhe perguntaram... by Silvia Helena Becker Livi

    Published 1990-01-01
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  5. 5
    Pense e responda (resposta no número anterior)

    Pense e responda (resposta no número anterior) by Silvia Helena Becker Livi

    Published 1990-01-01
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  6. 6
    Já lhe perguntaram...

    Já lhe perguntaram... by Silvia helena Becker Livi

    Published 1987-01-01
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  7. 7
    Assessment of the water quality in a large reservoir in semiarid region of Brazil

    Assessment of the water quality in a large reservoir in semiarid region of Brazil by Fernando B. Lopes, Eunice M. de Andrade, Ana C. M. Meireles, Helena Becker, Adriana A. Batista

    Published 2014-04-01
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