/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ykjyh https://public.slidesharecdn.com/v2/images/profile-picture.png ¹®¼ë§ˆì•ˆë‚¨ì•˜ë‹¤ã…‹ã…‹