/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ym0940 https://public.slidesharecdn.com/v2/images/profile-picture.png Consultant & Chercheur dans le domaine de la corrélation reseaux "sociaux", éducation Consultant & Researcher in correlation between social networks, éducation and E-learning More at : mhammedyatim@yahoo.fr https://www.facebook.com/mhamed.yatim