Platform / Archive Name Web Address (Link) Description
OpenDOAR http://v2.sherpa.ac.uk/opendoar/ Directory of Open Access Repositories. You can search for institutions providing open access services worldwide.
DOAB https://www.doabooks.org/ A platform that increases the discoverability of open access books and provides access to thousands of titles.
DOAJ https://doaj.org/ A global portal for open access journals and articles.
PQDT Open https://pqdtopen.proquest.com/ Open access dissertations and theses provided by ProQuest.
OAIster Database https://oaister.worldcat.org/ A union catalog of millions of open access records worldwide.
OpenAIRE https://www.openaire.eu/ European portal for institutional and open access repositories.
NDLTD http://www.ndltd.org/ Networked Digital Library of Theses and Dissertations (Global Portal).
DART-Europe http://www.dart-europe.eu/ The European portal for e-theses and dissertations.
EThOS https://ethos.bl.uk/ Electronic Theses Online Service by the British Library.
WORLD CAT https://www.worldcat.org/ The world's largest network of library content and services.
ANKOS https://ankos.org.tr/ Anatolia College Library Consortium - Directory of Open Access Repositories in Türkiye.
DergiPark Academic https://dergipark.org.tr/ The leading platform for open access scientific journals in Türkiye.
TR Index https://trdizin.gov.tr/ Subject databases containing scientific articles published in Türkiye.
National Union Catalog http://www.toplukatalog.gov.tr/ Collective catalog of libraries across Türkiye (TOKAT).
National Library E-Resources http://www.millikutuphane.gov.tr/ Licensed databases available to registered members of the National Library of Türkiye.
CoHE Thesis Center https://tez.yok.gov.tr/ National archive for Master’s and Doctoral theses from universities in Türkiye.