/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ssuser6a2b31 https://cdn.slidesharecdn.com/profile-photo-ssuser6a2b31-48x48.jpg?cb=1685003080 ๶Äชื่อมั่นในตน๶Äอง