International Indexing
1. Scopus (archives from 2019)
2. Embase
3. CrossRef (archives from 2011)
4. Index Copernicus (archives from 2018)
5. Directory of Open Access Journals (DOAJ) (archives from 2019)
6. Polska Bibliografia Naukowa (PBN)
7. Open Academic Journals Index (OAJI)
8. ResearchBib
9. Universal Impact Factor (UIF)
10. Bielefeld Academic Search Engine (BASE) (archives from 2011)
11. Google Scholar (archives from 2011)
12. WorldCat (archives from 2011)
13. JournalTOCs
14. The ISI
15. Directory of Open Access scholarly Resources (ROAD)
17. The Open Ukrainian Citation Index (OUCI) (archives from 2011)
18. ResearchGate (archives from 2011)
19. OpenAIRE (archives from 2011)
20. The SCImago Journal & Country Rank
21. Kind Congress
22. JISC
23. ScienceGate (archives from 2011)
24. Dimensions (archives from 2011)
25. Scilit (archives from 2011)
26. Academia.edu (archives from 2019)
27. SSRN (archives from 2019)
28. Mendeley (archives from 2019)
29. Zenodo (archives from 2019)
30. 1findr (archives from 2011)
31. LENS (archives from 2011)
32. Microsoft Academic (archives from 2011)
33. KOAR (archives from 2011)
34. World Catalog of Scientific Journals
35. EuroPub (archives from 2011)
36. MIAR
37. Index PKP (archives from 2011)
38. PlamX Metrics (archives from 2011)
39. Pist.tn
40. Zhuanfou.com (archives from 2019)
41. LibKey (archives from 2011)
42. Mostwiedzy
43. I2OR
44. ReadCube (archives from 2011)
45. Research4Life (archives from 2011)
46. Wizdom.ai
47. Semantic Scholar (archives from 2011)
48. CORE
50. EZB
51. InfoBase Index
52. ICMJE (International Committee of Medical Journal Editors)
53. NLM Catalog
INTERNATIONAL LIBRARIES
UNITED KINGDOM