/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: Abuwaelbasil https://cdn.slidesharecdn.com/profile-photo-Abuwaelbasil-48x48.jpg?cb=1523744401 جامعة : جامعة الجزيرة