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Cambridge Journals Online
Cambridge University Press scientific journals on a variety of topics. Access to full-text articles in journals. Topics: humanitarian, social, natural, medical, etc. studies.
CiteSeerX
This database provides access to scientific literature focused mainly on the fields of computer and information sciences.
Clarivate Analytics
It is a bibliographic database of citation information. It contains bibliographic data, abstracts and citation data from world-renowned scientific journals. 
Cogprints
This database consists of open access scientific articles on biology, computer science, linguistics, medicine, psychology, philosophy.
Communication & Mass Media Complete (EBSCO Publishing))
It is a database with a large collection of journals in social communication and media and other related fields. Topics include: communication, media, linguistics, discourse, rhetoric, sociolinguistics, communication theory, language, logic, organisational communication and other closely related fields.
Connected Papers
A search engine that helps researchers and scholars discover the most relevant and important research papers in their field. The tool generates graphs and analyses documents, selecting dozens of research papers with the strongest links to the query.
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