/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssusera500df https://cdn.slidesharecdn.com/profile-photo-ssusera500df-48x48.jpg?cb=1523420961 Õâ¸öÌ«Éî°Â