/ http://www.slideshare.net/images/logo.gif / ºÝºÝߣShare feed for ºÝºÝߣshows by User: congtumam7 https://cdn.slidesharecdn.com/profile-photo-congtumam7-48x48.jpg?cb=1523677984 chỉ cần có vk là đủ rùi