/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuser511a66 https://cdn.slidesharecdn.com/profile-photo-ssuser511a66-48x48.jpg?cb=1523642272 รัà¸�เึϸµà¸¢à¸§à¹ƒà¸ˆà¹¶Äึϸµà¸¢à¸§