/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuser069e46 https://public.slidesharecdn.com/v2/images/profile-picture.png ไอ่อ้วà¸È¨¹€à¸­à¹‹à¸¢