صفحة 453 الصفحة في PDF
المواقع الألكترونية
1- http://forum.zira3a.net/showthread.php?t=8929&page=1 2- http://forum.zira3a.net/showthread.php?t=7832&page=1 3- http://gafrd.kenanaonline.com/topics/58515/posts/86469.
4- http://ar.wikipedia.org/wiki/%D9%85%D8%B5%D8%B1
5- http://www.new7ob.com/vb/pro18492.htm.
6- http://geo2all.mam9.com/t108-topic.
7- http://www.sis.gov.eg/Ar/LastPage.aspx?Category_ID=1082
8- http://beatcom.mam9.com/t16-topic.
9- http://swideg.jeeran.com/geography/archive/2010/5/1052723.html.
10- http://www.akhbaralarab.net/index.php/local/22719-2010-04-14-15-01-58.
11- http://www.khayma.com/madina/m2-files/waterkwit.htm
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