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Publish your book Publishers' Community Purchase bulk print Distribution channels Frequently Asked Questions Blog
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Fiction Poetry Self-help Juvenile fiction Social science Juvenile nonfiction Education Art Philosophy Religion Technology & engineering Business & economics Computers Psychology Biography & autobiography See all categories
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Ronald Martins

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Ronald Alexandre Martins é Mestre em Matemática pela Universidade de Brasília, Engenheiro formado pelo Instituto Militar de Engenharia (IME) e professor de cursos preparatórios para o IME, ITA e outros concursos militares no Distrito Federal.
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