International indexing

1. erih+

2. Index Copernicus

3. Central & Eastern European Academic Source - CEEAS (EBSCO)

4. EBSCO Legal Collection

5. EBSCO Legal Source

6. Crossref

7. MIAR

8. WorldCat

9. Bielefeld Academic Search Engine (BASE)

10. National Library of Ukraine named after VI Vernadsky

11. OpenAIRE

12. Directory of Open Access scholarly Resources (ROAD)

13. Google Scholar

14. Polska Bibliografia Naukowa (PBN)

15. Open policy finder

16. CORE (COnnecting REpositories)

17. Scilit

18. Ulrich's Periodicals Directory

19. Korea Institute of Science and Technology Information (KISTI)

20. Dimensions

21. SJSU (California, United States) library

22. SLUB

23. China National Knowledge Infrastructure (CNKI)