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1. scholar.google.comGoogle Scholar

   scholar.google.com

   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.

   • Google Scholar

     Google Scholar - Google Scholar

   • ‪Grzegorz Bartoszewski‬

     ‪Grzegorz Bartoszewski‬ - Google Scholar

   • ‪Wojciech Grabowski‬

     ‪Wojciech Grabowski‬ - Google Scholar

   • Cytaty W Google Scholar

     Cytaty W Google Scholar - Google Scholar

   • H5-index=389

     H5-index=389 - Google Scholar

   • My Profile

     My Profile - Google Scholar

   • Settings

     Settings - Google Scholar

2. doaj.orgDirectory of Open Access Journals – DOAJ

   doaj.org

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

3. www.ebsco.com › products › research-databasesFree Research Databases from EBSCO | Free Academic Databases

   www.ebsco.com › products › research-databases

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   EBSCO provides free research databases for students, researchers and librarians. Learn how to access these free academic databases today.

4. www.researchgate.net › search › publicationsSearch | ResearchGate

   www.researchgate.net › search › publications

   Find the research you need | With 160+ million publication pages, 1+ million questions, and 25+ million researchers, this is where everyone can access science.

5. unpaywall.orgUnpaywall

   unpaywall.org

   An open database of 51,234,466 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.

6. about.jstor.org › oa-and-freeOpen and free content on JSTOR and Artstor

   about.jstor.org › oa-and-free

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   We’re proud to publish articles based in fact and grounded by careful research and to provide free access to that research for all of our readers. How to find the millions of journal articles, ebooks, images, and other media available on JSTOR and Artstor as Open Access or free to everyone.

7. www.researchgate.netResearchGate | Find and share research

   www.researchgate.net

   Access 160+ million publications and connect with 25+ million researchers. Join for free and gain visibility by uploading your research.