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Indexing and abstracting

WorldCat

Electronic Journals Library

Scholarsteer

Journal Index

CiteFactor

Open Academic Journal Index

Scientific Indexing Services (SIS)

SHERPA/ROMEO

Directory of Research Journals Indexing

Efita

Research Bib

International Institute of Organized Research (I2OR)

Elektronische Zeitschriftenbibliothek (EZB)

JOUR INFORMATICS

PBN Polska Bibliografia Naukowa (Polish Scholarly Bibliography) 

Global Society for Scientific Research (JIFACTOR)

Cosmos