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  1. www.springeropen.comSpringerOpen

    Visit the Springer Author & Reviewer tutorials and learn all about open access, your benefits, mandates, funding, copyright and more in the different interactive tutorials. And take our quiz to test your knowledge!

    • Get published

      Search all SpringerOpen articles. Search. Get published....

    • Explore Journals

      International Journal of Concrete Structures and Materials....

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      Open access publishing allows free access to and...

  2. DOAJ is a unique and extensive index of diverse open access journals from around the world, driven by a growing community, committed to ensuring quality content is freely available online for everyone.

  3. arXiv is a free distribution service and an open-access archive for nearly 2.4 million scholarly articles in the fields of physics, mathematics, computer science, quantitative biology, quantitative finance, statistics, electrical engineering and systems science, and economics.

  4. www.scienceopen.comScienceOpen

    Make an impact and build your research profile in the open with ScienceOpen. Search and discover relevant research in over 94 million Open Access articles and article records; Share your expertise and get credit by publicly reviewing any article; Publish your poster or preprint and track usage and impact with article- and author-level metrics

  5. Google Scholar provides a simple way to broadly search for scholarly literature. Search across a wide variety of disciplines and sources: articles, theses, books, abstracts and court opinions.

  6. Há 4 dias · Open Access. Discover freely available content to power your research and teaching. Dive in using the content buttons below or search for subjects that interest you. Analytical chemistry Biology and biological chemistry Physical chemistry Materials science Organic chemistry Inorganic chemistry