[كوثروا]

https://www.ingdz.com/vb
https://informatique.forumalgerie.net/
منتدى اللمة الجزائرية
site de zero
https://www.ouargla-univ.co.cc/vb/forumdisplay.php?f=8
https://www.science-collector.com/vb/forum.php
https://www.uza17.tk/index.php?mode=f&f=25
https://www.mathsmak.com/