/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuser569bfa https://cdn.slidesharecdn.com/profile-photo-ssuser569bfa-48x48.jpg?cb=1523672610 ๶Äป็à¸È¨¸„à¸È¨¸”ี