مواقع للحصول على الكتب و الرسائل العلمية :
https://search.proquest.com/pqdtglobal/index?accountid=37552
http://ethos.bl.uk/SearchResults.do
https://eric.ed.gov/
http://srv4.eulc.edu.eg/eulc_v5/libraries/start.aspx
http://www.jstor.org/
https://www.pdfdrive.net
www.findpdfdoc.com
http://www.freefullpdf.com/#gsc.tab=0
http://www.pdfsearchengine.net
https://www.sciencedirect.com
www.worldcat.org
https://worldwidescience.org
http://slawat.net/cat/other_books.html
http://www.dirasat.net
https://www.dohainstitute.org/ar/Pages/index.aspx
http://nauss.edu.sa
https://uomustansiriyah.edu.iq
www.tech-fans.com/p/pdf.html
https://www.kutub-pdf.com/searching.html
https://arabiangcis.org
www.ssrn.com
http://www.ndltd.org
