International indexing
1. Scopus
3. Central & Eastern European Academic Source (CEEAS)
4. Index Copernicus Journals Master List
5. CrossRef
6. MIAR
7. WorldCat
8. Bielefeld Academic Search Engine (BASE)
9. National Library of Ukraine named after VI Vernadsky
10. Google Scholar (Google Академія)
11. OpenAIRE
12. EuroPub
13. ResearchBib
14. Directory of Open Access scholarly Resources (ROAD)
15. Scilit
16. SHERPA RoMEO
17. Neliti
18. CORE (COnnecting REpositories)
19. Ulrich's Periodicals Directory
20. ResearchGate
21. Lens
22. Korea Open Access Platform for Researchers (KOAR)
23. Paperity
24. Sobiad
25. Mostwiedzy
26. Dimensions
27. Polska Bibliografia Naukowa
28. SJSU (California, United States) library
29. Сobiss
30. SLUB
31. AMiner
32. DeepDyve
33. China National Knowledge Infrastructure (CNKI)
