/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: MohamedElBaghdadi https://cdn.slidesharecdn.com/profile-photo-MohamedElBaghdadi-48x48.jpg?cb=1523091874 Professeur à l'Université Sultan Moulay Slimane, Beni Mellal, Morocco