/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: paenghaathaiphan https://cdn.slidesharecdn.com/profile-photo-paenghaathaiphan-48x48.jpg?cb=1535648265 ๶Äป็à¸È¨¸„à¸È¨¹„ทย