/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: sheknown https://cdn.slidesharecdn.com/profile-photo-sheknown-48x48.jpg?cb=1522831084 ??? (½ªÐÅ‘—) Shin-Hun Kang ??? ? ??