ARCHIVING & INDEXING

  1. DOAJ - Directory of Open Access Journals 
  2. NSD - Norwegian Centre for Research Data
  3. ERIHPLUS
  4. Index Copernicus (ICI Journals Master List database for 2021)
  5. Sherpa Romeo
  6. South African Bibliographic and Information Network (SABINET)
  7. Google Scholar
  8. EBSCO Essentials™
  9. EBSCO Database
  10. Bielefeld Academic Search Engine (BASE)
  11. ResearchBib
  12. Directory of Research Journals Indexing (DRJI)
  13. JournalTOCs
  14.  J-Gate 
  15. CrossRef 
  16. ScienceGate
  17. “scientific” and “literature" (Scilit) 
  18. Publons
  19. Directory of Open Access Scholarly Resources (ROAD)
  20. Internet Archive Scholar
  21. Fatcat Internet Archive
  22. Korea Open Access Platform for Researchers (KOAR)
  23. OpenAIRE
  24. University of Leiden 
  25. Harvard Library: Hollis
  26. University of Texas Libraries 
  27. Base:  Bielefeld University Library
  28. WorldCat
  29. Yale University Library
  30. UCR Library: University of California