http://forum2.kooora.com/f.aspx?mode=f&f=27
http://www.maths-express.com/
http://www.skyblog.com/blog.php/fhosni
http://tilmid.hautetfort.com/list/du_cote_du_men/note_89.htm
http://www.google.com/search?sourceid=navclient&gfns=1&ie=UTF-8&rls=RNWE,RNWE:2007-02,RNWE:en&q=%d8%a7%d9%84%d8%ab%d8%a7%d9%86%d9%88%d9%8a+%d8%ab%d8%a7%d9%86%d9%88%d9%8a%d8%a9+%d9%85%d9%88%d9%84%d8%a7%d9%8a+%d8%a7%d8%b3%d9%85%d8%a7%d8%b9%d9%8a%d9%84+%d9%85%d9%83%d9%86%d8%a7%d8%b3
http://streetflame.canalblog.com/archives/2006/12/11/3402353.html
http://www.hrinfo.net/tunisia/ltdh/2005/pr1110.shtml
http://www.men.gov.ma/est/manahij/Livre%20blanc/T1.Choix/T.1.htm
http://ddarwa.blogs.ma/index.php?2007/01/01/5-
http://ksar2005.site.voila.fr/i3dadi_dalil.htm
http://vivemath.jeun.fr/
http://www.google.co.ma/search?hl=fr&q=%D8%AF%D8%B1%D9%88%D8%B3+%D9%81%D9%8A+%D8%A7%D9%84%D8%B1%D9%8A%D8%A7%D8%B6%D9%8A%D8%A7%D8%AA+%D8%A7%D9%84%D8%B3%D9%86%D8%A9+%D8%A7%D9%84%D8%AB%D8%A7%D9%84%D8%AB%D8%A9+%D8%AB%D8%A7%D9%86%D9%88%D9%8A+%D8%A5%D8%B9%D8%AF%D8%A7%D8%AF%D9%8A&meta=
http://intifatha.blogspot.com/