Facebook :
https://www.facebook.com/othmane.safsafi
Patreon :
https://www.patreon.com/scmaths
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يمكن ليك تساعد فترجمة الڤيديوهات و نشر العلم:
https://goo.gl/Osn9em
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Music and video sources :
Dark piano, Fort minor cover, L'indécis Soulful.