/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: hannguyenphong https://cdn.slidesharecdn.com/profile-photo-hannguyenphong-48x48.jpg?cb=1523422893 ´¥)¡°ù€c³Ù¡´Ç²Ô€r