Search Tool is an online resource intended to support researchers and librarians who need accurate bibliographic information.

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Information Matrix for the Analysis of Journals. If you enter an ISSN in the searchbox, the system will check in which databases, those referred to in the matrix, the journal is indexed.

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The association of scholarly publishers that develops shared infrastructure to support more effective scholarly communications.

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1a service offered by the ISSN International Centre with the support of the Communication and Information Sector of UNESCO. ROAD provides a free access to a subset of the ISSN Register.

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Online resource that aggregates and analyses publisher open access policies from around the world and provides summaries of publisher copyright and open access archiving policies on a journal-by-journal basis.

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is a freely accessible web search engine that indexes the full text or metadata of scholarly literature across an array of publishing formats and disciplines. Google Scholar index includes most peer-reviewed online academic journals and books, conference papers, theses and dissertations, preprints, abstracts, technical reports, and other scholarly literature, including court opinions and patents

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Central & Eastern European Academic Source is a research database of full-text journals published in central and eastern European countries.

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World's largest bibliographic database, with over 240 million records of all kinds of products for 470 languages.

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