Google Scholar
https://scholar.google.comGoogle 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
scholar.google.comGoogle 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.
Sci-Hub:
https://sci-hub.seThe goal of Sci-Hub is to provide free and unrestricted access to all scientific knowledge ever published in journal or book form. Today the circulation of ...
ScienceOpen
https://www.scienceopen.comScienceOpen provides researchers with a wide range of tools to support their research – all for free. Here is a short checklist to make sure you are getting ...