/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: jyril https://cdn.slidesharecdn.com/profile-photo-jyril-48x48.jpg?cb=1522825220 °­Ã¼Ã¼±ô¾±°ì³Ü´Ú²¹°ù³¾±ð°ù