/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: Shinyuji27 https://public.slidesharecdn.com/v2/images/profile-picture.png ²õ'±ð´Ú´Ú´Ç°ùç²¹²Ô³Ù