/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: DaeKeunOh https://public.slidesharecdn.com/v2/images/profile-picture.png 안녕하세요^^(Hi^^) SIllim Middle School Samsung High School Korea UNIV LGU+