• ADVANCED SCIENCE INDEX
• Scilit
• SHERPA/RoMEO (Publisher copyright policies & self-archiving)
• ResearchGate
• EconBib Online Repository
• American Quality Centre for Journals
• Academic Resource Index
• WorldCat
• Directory of Open Access Scholarly Resources (ROAD)
• International Scientific Indexing (ISI)
• DOI
• Crossref Member
• The Open Science Framework (OSF)
• OpenAIRE
• ZENODO
• Eurasian Scientific Journal Index(ESJI)
• Directory of Research Journals Indexing
• International Institute of Organized Research
• Scientific Indexing Services
• Google Scholar
• Journal Factor
• Slides Share
• PKP Open Archives Harvester
• LOCKSS
• CLOCKSS
• CiteFactor
• Academia.edu

Other Libraries: