Academia.edu
AcademicKeys
Active Search Results
Advanced Science Index
CiteFactor
CiteULike
Cosmos Impact Factor
Directory of Abstract Indexing for Journals
Directory of Research Journals Indexing
Directory of Science
Electronic Journal Library
Eurasian Scientific Journal Index
figshare
General Impact Factor (GIF)
Global Impact Factor
Google Scholar
iiiFactor
Index Copernicus International
Indian Journals Index (IJINDEX)
InfoBase Index
International Impact Factor Services
International Innovative Journal Impact Factor (IIJIF)
International Institute for Research (IFJ)
International Institute of Organized Research (I2OR)
International Journal Impact Factor (IJIFACTOR)
International Society of Indexing
ISRA: Journal Impact Factor
issuu
J-Gate
JIFactor
Journal Index
MENDELEY
MIAR: Information Matrix for the Analysis of Journals
Open Academic Journals Index
ORCID
Quality Factor
Research Bible
ROAD: Directory of Open Access Scholarly Resources
Root Indexing
Scholar Article Impact Factor
Scholar Steer
Scientific Indexing Services
Scientific Journal Impact Factor
SCIPIO
Scope Database
SPARC Indexing
Turkish Education Index
Universal Impact Factor
WorldCat
ZDB