ARCHIVING & INDEXING
- Google Scholar
- Sherpa Romeo
- EBSCO Essentials™
- ScienceGate
- “scientific” and “literature" (Scilit)
- Directory of Open Access Scholarly Resources (ROAD)
- CrossRef
- Internet Archive Scholar
- Fatcat Internet Archive
- OpenAIRE
- University of Leiden
- Harvard Library: Hollis
- J-Gate
- Korea Open Access Platform for Researchers (KOAR)
- Bielefeld Academic Search Engine (BASE)
