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  1. Early Journal Content, articles published prior to the last 95 years in the United States, or prior to the last 143 years if initially published internationally, are freely available to all. Even more content is available when you register to read – millions of articles from nearly 2,000 journals.

    • Librarians

      Acquisition information for librarians, including available...

  2. Everyone can freely access and download the full text of all articles published with MDPI: readers of open access journals, i.e., mostly other researchers, do not need to pay any subscription or pay-per-view charges to read articles published by MDPI.

  3. An open database of 51,401,121 free scholarly articles. We harvest Open Access content from over 50,000 publishers and repositories, and make it easy to find, track, and use. Get the extension.

  4. High-quality journals and journal articles can be found online using academic search engines and free research databases. These resources are excellent for finding OA articles, including peer-reviewed articles.

  5. Reduce the file size. Include a valid file extension. To check whether the file extension is supported by your journal, consult your journal's Guide for Authors. To access your journal's Guide for Authors, go to the journal homepage directly or search journals alphabetically.

  6. This resource was designed to help students, academics, and researchers access the information they need without having to subscribe to an expensive service. The directories, databases, and repositories in this list are all free to use (though some require that you sign up first).

  7. 23 Ιουλ 2015 · Results showed that 61.1 % of articles were accessible in full-text in Google Scholar; 80.8 % of full-text articles were publisher versions and 69.2 % of full-text articles were PDF.

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