/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: Thanhluan07 https://cdn.slidesharecdn.com/profile-photo-Thanhluan07-48x48.jpg?cb=1561559768 Ko tu tin , ko hj zong , chj tin vao chinh ban than và kha nang cua minh