International indexing
1. ERIH PLUS
2. 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. OpenAIRE
11. JournalTOCs
12. EuroPub
16. Google Scholar
17. Polska Bibliografia Naukowa (PBN)
18. SHERPA RoMEO
19. CORE (COnnecting REpositories)
20. Neliti
21. Scilit
22. Ulrich's Periodicals Directory
23. ResearchGate
24. Lens
25. Korea Open Access Platform for Researchers (KOAR)
26. Paperity
27. Dimensions
28. SJSU (California, United States) library
29. Сobiss
30. SLUB
31. DeepDyve
32. China National Knowledge Infrastructure (CNKI)