/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: photohalong https://cdn.slidesharecdn.com/profile-photo-photohalong-48x48.jpg?cb=1523466756 ไม่รู้จะ๶Äขียนอะไร