Index/List/Archive

• Scopus 
• ERIC, the Education Resources Information Center
• BASE (Bielefeld Academic Search Engine)
• RePEc
• IDEAS
• CNKI Scholar
• EconPapers
• China Academic Journals Full-text Database
• China Century Journals Full-text Database (Archive)
• China National Scientific Reports Database
• China Citations Database
• Scilit
• JournalTOCs
• DOI
• Crossref
• Google Scholar
• Elektronische Zeitschriftenbibliothek EZB 
• LOCKSS
• PKP Open Archives Harvester
• SPZ (Russian)
• Q-Sensei (Germany)
• Open J-Gate
• CiteULike
• Citefactor
• PAS