ºÝºÝߣshows by User: perilous / http://www.slideshare.net/images/logo.gif ºÝºÝߣshows by User: perilous / ºÝºÝߣShare feed for ºÝºÝߣshows by User: perilous https://cdn.slidesharecdn.com/profile-photo-perilous-48x48.jpg?cb=1522983948 정병ì„