Announcements
Announcements
- CAS Source Index (CASSI)
- UIUC OAI registry (University of Illinois OAI-PMH Data Provider Registry)
- OCLC WorldCat Digital Collection Gateway
- DRJI-Directory of Research Journals Indexing
- CAS Source Index (CASSI)
- ResearchBib-Academic Resource Index
- Open Archives Registry
- Scientific Literature-SciLit (Basel, Switzerland)
- Google Scholar
- Citeseerx
- OpenAIRE
- MyResearchJournals
- ResearchGate
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