مواقع للبحوث والأوراق العلمية والمراجع ..

1- http://www.refseek.com/
2-http://m.wolframalpha.com/
3-http://academic.research.microsoft.com/
4- https://www.highbeam.com/
5-http://www.siris.si.edu/
6- http://www.worldcat.org/
7- http://archiveshub.ac.uk/index.html
8-http://worldwidescience.org/indextext
9-http://www.sciseek.com/
10-https://openlibrary.org/
11-http://www.ojose.com/
12-http://link.springer.com/
13-https://scholar.google.com.eg/

مواقع للبحوث والأوراق العلمية والمراجع .. 1- http://www.refseek.com/ 2-http://m.wolframalpha.com/ 3-http://academic.research.microsoft.com/ 4- https://www.highbeam.com/ 5-http://www.siris.si.edu/ 6- http://www.worldcat.org/ 7- http://archiveshub.ac.uk/index.html 8-http://worldwidescience.org/indextext 9-http://www.sciseek.com/ 10-https://openlibrary.org/ 11-http://www.ojose.com/ 12-http://link.springer.com/ 13-https://scholar.google.com.eg/
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