- INDEX COPERNICUS
- International Institute of Organized Research (I2OR)
- MIAR (Information Matrix for the Analysis of Journals) (ICDS2021: 3.2)
- Georgian International Academy of Sciences: GIAS
- Scientific Indexing Services (SIS)
- Academic Research Index: ResearchBib
- International Services For Impact Factor and Indexing (ISIFI)
- EuroPub
- Infobase Index
- Journal TOCs
- Advanced Science Index
- Directory of Research Journals Indexing (DRJI)
- Google Scholar
- Paperity
- CiteFactor
- Academic Journal Index (AJI)
- Scipio-ro
- International Institute of Organized Research (I2OR)
- CROSSREF
- ROOT Indexing
- Sciencegate
- ROAD
- Acar Index
- ASOS Index
- Bielefeld Academic Source Engine: BASE
- OCLC WorldCat
- EZB (Electronic Journals Library)
- Idealonline
- The European Reference Index (ERIHPLUS)
- Cosmos Impact Factor
- Scimatic
- IJIFactor
- CNKI Scholar
- Dergipark
- IPIndexing