*publicationethics (COPE)
*MIAR (Universitat de Barcelona)
 *DOAJ
 *isindexing
 *J-Gate
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*ICMJE
 *Civilica
 *citefactor
 *nindex (Nursing Index)
 *Noormags
*SID
*Google Schoolar
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*WorldCat
*Cancer Research Library Online
*NSD
*Journal Reference
*Regional Information Center for Science and Technology
 *publons 
*Türk Eğitim İndeksi
 *JournalTOCs
 *indexcopernicus
 *Road (ISSN)
*Scientific Journal Impact Factor
*International Society for Research Activity (ISRA)
 *Eurasian Scientific Journal Index
*Scientific Indexing Services (SIS)
*AcademicKeys
*Research Bible
*Directory of Research Journals Indexing (Drji)
 *QOAM 
* wikidata
*Academia
*Mendeley
 *zotero
 *Linkedin 
 *Microsoft Academic
 *Universitätsbibliothek Vechta (EZB)
  *Staats- und Universitätsbibliothek Hamburg 
 *Zentrale Hochschulbibliothek
*TIB – Leibniz
*Heidelberg University of Education
*University of Saskatchewan
*Univerzita Karlova