• Web of Science
  
• Directory of Open Access Journals (DOAJ);
• CAB Abstracts;
• Ulrich's Periodicals Directory;
• Universiteitsbibliotheek Gent;
• University Library Lugano;
• Worldcat;
• CEEOL;
• CyberLeninka;
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• ROAD;
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• Unpaywall
• Europub

Digital Preservation

• LOCKSS
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