/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: HansKim6 https://cdn.slidesharecdn.com/profile-photo-HansKim6-48x48.jpg?cb=1530276456 깶Ä환철 http://screenx.co.kr