RefseekRefSeek is a web search engine for students and researchers that aims to make academic information easily accessible to everyone. RefSeek searches more than one billion documents, including web pages, books, encyclopedias, journals, and newspapers.
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SweetSearchSweetSearch is A Search Engine for Students. It searches only credible Web sites approved by Internet research experts.
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Google ScholarGoogle Scholar provides a simple way to broadly search for scholarly literature. From one place, you can search across many disciplines and sources: articles, theses, books, abstracts and court opinions, from academic publishers, professional societies, online repositories, universities and other web sites.
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JURN |
Paperity |
Search millions of free academic articles, chapters and theses.
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The first multidisciplinary aggregator of Open Access journals and papers. Keep on top of recent discoveries and never hit a paywall.
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Science Open |
Digital Commons Network |
ScienceOpen is a freely accessible research network to discover and evaluate scientific information. Search among over 27 million articles and article records, filter by citation or Altmetric score, and share your expertise via comments or peer review. ScienceOpen: your research in context.
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The Digital Commons Network provides free access to full-text scholarly articles and other research from hundreds of universities and colleges worldwide.
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UnPayWall
Unpaywall allows searchers to legally access full-text research papers from its index of ten million, legally loaded, open-access articles. The project currently shares that it is retrieving full-text content approximately 50% of the time.