• Doaj Directory of Open Access Journals

• ISI Web of Knowledge*

• EBSCOhost *

• Ulrich’s Periodicals Directory

(The global source for periodical information since 1932) New York , USA. 

 

• Library of Congress

• Cabell’s Directories

• Educational Resource Information Center (ERIC) *

• Directory of Research Journals Indexing

  
  
  
• SciVerse Scopus *

• inprogress