/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: lamtruong7169709 https://cdn.slidesharecdn.com/profile-photo-lamtruong7169709-48x48.jpg?cb=1523648573 BÆ°á»›c Ä‘i tiếp ... !