/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: tankeeluan https://cdn.slidesharecdn.com/profile-photo-tankeeluan-48x48.jpg?cb=1522965755 ÿÌìÒª»îµÃ¾«²Ê°÷°÷