/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ngocvuvan587 https://cdn.slidesharecdn.com/profile-photo-ngocvuvan587-48x48.jpg?cb=1523574224 vimaru yên định 1 - 12a3- 2005