/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: Phuminat55 https://public.slidesharecdn.com/v2/images/profile-picture.png ๶Äป็à¸È¨¸„à¸È¨¸™à¹ˆà¸²à¸£à¸±à¸�