Worl chat, ResearchBib, SIS database, i.f.s.i.j, Scribd, IISJ, Eurasian Scientific Journal Index (ESJI), Indianscience.in, arastirmax, Directory of Research Journals Indexing, Pak Academic Sesearch, AcademicKeays, CiteSeerX, UDL Library, CAS Abstracts, J-Gate, WorldCat, Scirus, IET Inspec Direct, and getCited