Membership:

1. iThenticate

2. CrossRef (included in 2016)

Scientometric databases, repositories and libraries:

1. EBSCO - Academic Search Premier

2. Index Copernicus Journals Master List

3. Google Scholar

4. WorldCat

5. Directory of Open Access Journals (DOAJ)

6. International Institute of Organized Research (I2OR)

7. Ulrich's Periodicals Directory

8. Neliti

9. BASE

10. ResearchBib

11. Directory of Open Access scholarly Resources (ROAD)

12. Semantic Scholar

13. CORE (COnnecting REpositories)

14. JournalTOCs

15. MIAR

16. WorldWideScience.org

17. OpenAIR