Indexing and Abstracting
- Sinta
- Dimensions
- DOAJ
- Portal Garuda
- Crossref
- Harvard Library
- Moraref
- One Search
- World Cat
- Bielefeld Academic Search Engine (BASE)
- Google Scholar
- Academic Resource Index
- Eurasian Scientific Journal Index
- Princeton University
- Boston University
- Search Oxford Library Online (SOLO)
- George Washington Library
- The Library of University of California, Los Angeles (UCLA)
- The University of Melbourne
- Mendelay
- COPAC, The University of Manchester
- Libraries-Leiden University
- University of Saskatchewan Library
- Système Universitaire de Documentation (Sudoc)
- Gent University Library
- German Institute of Global and Area Studies (GIGA) Information Centre
- Berlin Social Science Center
- Universität Leipzig, Germany
- Universität des Saarlandes, Germany
- Universität zu Köln, Germany
- Università Cattolica del Sacro Cuore
- Staats- und Universitätsbibliothek Dresden (SLUB), Germany
- Beluga, Hamburg University, Germany
- Leibniz Information Centre for Life Sciences (Livivo)
- Index Copernicus
- Penn State University Libraries
- Solent University Library
- Türk Eğitim İndeksi
- Vancouver Public Library
- University of Birmingham Libraries
- University of Edinburgh Libraries
- JISC Library Hub Discover, United Kingdom
- Aberystwyth University Library
- Bangor University Library
- University of Bath Library
- National Library of Scotland
- Imperial College London Library
- Cardiff University Libraries
- Electronic Journal Library (EZB), Regensburg
- Kind Congress Science
- Saarländischen Virtuellen Katalog
- MENALIB – Webportal des Fachinformationsdienstes Nahost
- MIAR, Universitat de Barcelona
- Directory of Research Journal Indexing (DRJI)
- SciLlit