/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: kimsehoan https://cdn.slidesharecdn.com/profile-photo-kimsehoan-48x48.jpg?cb=1523414198 22ì‚´ 청실하고 ì°©í•œ!!