RePEc (Research Papers in Economics) is an initiative that seeks to enhance the dissemination of research in Economics and related areas. RePEc services provide author profile maintenance, creation of personal archives, citation analysis of items in the RePEc database, and other additional features
CrossRef is an official Digital Object Identifier (DOI) Registration Agency of the International DOI Foundation that makes research objects easy to find, cite, link, assess, and reuse
Directory of Open Access Journals (DOAJ) is a unique and extensive index of diverse open access journals from around the world. DOAJ's mission is to increase the visibility, accessibility, reputation, usage and impact of quality, peer-reviewed, open access scholarly research journals globally, regardless of discipline, geography or language
EBSCO is a leading provider of research databases. EBSCO services provides a complete and optimized research solution comprised of research databases, e-books and e-journals - all combined with the most powerful discovery service and management resources to support the information and collection development needs of libraries and other institutions and to maximize the search experience for researchers and other end users
ProQuest powers research in academic, corporate, government, public and school libraries around the world with unique content. ProQuest is part of Clarivate, a leading global information services provider
J-Gate functions as a electronic gateway access to a vast array of e-journal content worldwide. This platform grants users seamlessentry to millions of online journal articles sourced from 27 394 publishers
Ulrich's Periodicals Directory is the standard library directory and database providing information about popular and academic magazines, scientific journals, newspapers and other serial publications. The print version has been published since 1932
ROAD, the Directory of Open Access scholarly Resources is a service offered by the ISSN International Centre with the support of the Communication and Information Sector of UNESCO. ROAD provides a free access to those ISSN bibliographic records which describe scholarly resources in Open Access: journals, monographic series, conference proceedings, academic repositories and scholarly blogs
ERIH PLUS (European Reference Index for the Humanities) is the European Reference Index for the Humanities and Social Sciences. The index includes scholarly journals that meet recognised standards of transparency, peer review, and editorial quality
MIAR is a matrix of data from more than 100 international indexing and abstracting databases (citation, multidisciplinary or specialised databases) and journal repertoires, which is developed with the purpose of providing useful information for the identification of scientific journals and the analysis of their diffusion
Jisc's open policy finder is the trusted source on open access archiving and compliance information. It provides clear, accurate summaries of publisher policies for journals and books, and funder requirements for archiving and publication
Open Ukrainian Scientific Content Initiative (OUCI) is a national effort aimed at ensuring open access to Ukrainian scientific publications, journals, and other scholarly content that use the Cited-by service from Crossref and support the Initiative for Open Citations
Google Scholar is a popular Google service, specifically designed to index scholarly literature
The Vernadsky National Library of Ukraine is Ukraine's largest library and the country's primary research and information center. Included among the twenty largest national libraries of the world. In Ukraine, all academic journals post their content on the official website of the Vernadsky National Library of Ukraine
