1. Scopus
2. Web of Science
3. Google Scholar
4. ORCID
5. ResearchGate
6. Academia
7. Springer
8. Routledge Author
9. Fulbright Scholar
10. Amazon Books
11. Apple Books
12. Google Books
13. Grow Kudos
14. Mendeley
15. Good Reads
16. Semantic Scholar
17. ETIS
18. ACM
19. DBLP
20. PubMed
21. Kazakh National H-index
22. ScholarGPS
