/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: leksunantakn https://cdn.slidesharecdn.com/profile-photo-leksunantakn-48x48.jpg?cb=1523698327 ๶Äป็à¸È¨¸„วามลับ