★ Google Scholar
★ Semantic Scholar
★ H-index list (H5: 12/11)
★ WebQualis/Capes index, Brazil (Classificação: B3/B4)
★ Index Copernicus, Poland
★ CQVIP
★ Academia.edu
★ SSRN
★ Academic Keys
★ Citefactor
★ Index of Copurnicus
★ JournalSeek
★ EZB
★ JIFACTOR (JIF: 0.5)
★ ANVUR (Italian National Agency for Evaluation of University and research Institues), Italy
★ Google-based Impact Factor (Google Scholar Metrics: 8)
★ Chinese Electronic Periodical Services (CEPS), China
★ Free Libs
★ WorldCat, USA
★ CrossRef, USA
★ American Federal Computer Library Center (OCLC), USA
★ Finnish Publication Forum (JUFO), Finland
★ Norwegian Social Science Data Services (NSD), Database for Statistics on Higher Education (DBH), Norway