/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuserf6ea1b https://public.slidesharecdn.com/v2/images/profile-picture.png ปล่อยให้มัà¸È¨¹€à¸›à¹‡à¸È¨¹„ป