Google Scholar Free accessible web search engine for multidisciplinary research papers. Taylor & Francis Online Access to quality peer-reviewed journal articles published under the Taylor & Francis, Routledge and Dove Medical Press imprints ERIC ERIC stand for Education Resources Information Center. It is an education database containing millions of journal articles, research reports, conference papers, dissertations, and books in different fields. JSTOR A digital library with academic journals, books, and primary sources in the humanities and social sciences. It provides full-text searches of almost 2,000 journals. ResearchGate Social networking site for scientists and researchers to share papers, ask and answer questions, and find collaborators Scopus One of the largest abstract and citation database of peer-reviewed research literature. With over 22,000 titles from more than 5,000 international publishers. CORE Provides access to the world's largest collection of open access research papers, collecting and indexing research from repositories and journals EBSCO EBSCO provides free research databases for students and researchers. PubMed A free search engine accessing primarily the MEDLINE database of references and abstracts on life sciences and biomedical topics ScienceDirect A gateway to the millions of academic articles published by Elsevier, 1.4 million of which are open access. Journals and books can be searched via a single interface. DOAJ DOAJ stands for Directory of Open Access Journals. This independent index contains almost 17 500 peer-reviewed, open-access journals covering all areas of science, technology, medicine, social sciences, arts, and humanities. UnPayWall Unpaywall is run by OurResearch, a nonprofit dedicated to making scholarship more accessible to everyone