Indexing and Abstracting
Google Scholar
Mendeley
ResearchGate
DORA
Crossref
Semantic Scholar
KOAR
Genamics JournalSeek
ASI
ScienceOpen
EZB
OpenAIRE
ScienceGate
TIB
GIGA
ORCID
DRJI
OAJI
CORE
InfoBase Index
Scilit
Ulrichsweb
Internet Archive
BASE
Dimensions
CiteFactor
EuroPub
Wikidata
Index Copernicus
ResearchBib
Osmikon
TechRepublic
ASCI
RefSeek
Google
WorldCat OCLC