/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: viettao9988 https://cdn.slidesharecdn.com/profile-photo-viettao9988-48x48.jpg?cb=1567850071 Tiểu sá»­ trong sáng >:D< kô có tá»™i lá»—i gì đáng kể :">