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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.

2. www.academia.eduAcademia.edu - Find Research Papers, Topics, Researchers

   www.academia.edu

   • Αποθηκευμένο αντίγραφο

   Search the full text and citations of our millions of papers. Download groups of related papers to jumpstart your research. Save time with detailed summaries and search alerts.

3. 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.

4. 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.

5. unpaywall.orgUnpaywall

   unpaywall.org

   An open database of 51,476,808 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. www.semanticscholar.orgSemantic Scholar | AI-Powered Research Tool

   www.semanticscholar.org

   A free, AI-powered research tool for scientific literature. Search 222,040,947 papers from all fields of science. Try: John Y. Campbell. Ethos. Batholith. New & Improved API for Developers. Our API now includes paper search, better documentation, and increased stability. Join hundreds of other developers and start building your scholarly app today.

7. arxiv.orgarXiv.org e-Print archive

   arxiv.org

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   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.