/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: ngocxd1 https://cdn.slidesharecdn.com/profile-photo-ngocxd1-48x48.jpg?cb=1523591683 Ä‘ang là kiến thợ ! cung tam duoc