كورسات
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/
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/
English
French
Spanish
Portuguese
Deutsch
Turkish
Dutch
Italiano
Russian
Romaian
Portuguese (Brazil)
Greek