Abstracting & Indexing

• Academia
• AcessON - ScienceON
• Bielefeld Academic Search Engine (BASE)
• Crossref
• DeepDyve
• Directory of Open Access Scholarly Resources (ROAD)
• Google Scholar
• Harvard Library (HOLLIS Discovery System)
• Internet Archive
• ISSN International Centre
• Izvor - Macedonian Journal Repository
• MIT Libraries (Massachusetts Institute of Technology)
• OpenAlex
• SciLit
• Semantic Scholar
• The Lens